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Books Like Gravity Falls: Twins, Codes and Small-Town Mysteries

Published · Updated · 9 min read
A brother and sister seen from behind on the porch steps of a log cabin, reading a stack of books, while a small fox peeks out from behind a pine tree

What books are like Gravity Falls?

The best books like Gravity Falls are The Mysterious Benedict Society, The Spiderwick Chronicles and The Sisters Grimm. Trenton Lee Stewart's Benedict Society is full of codes and brainteasers, Spiderwick has twins with a field guide to hidden creatures, and Michael Buckley's Sisters Grimm has two sisters solving magical mysteries in a small town. Most fit ages 8 to 12. For the show itself on paper, start with Gravity Falls: Journal 3.

Key takeaways

  • The Mysterious Benedict Society, The Spiderwick Chronicles and The Sisters Grimm are the closest books to Gravity Falls for most kids aged 8 to 12.
  • Gravity Falls: Journal 3 (2016) and the graphic novel Gravity Falls: Lost Legends (2018) are official books that suit younger fans.
  • The Book of Bill (2024) is the first Gravity Falls book aimed at teens and adults, so read it before you hand it to a child.
  • The show's end-credit cryptograms use Caesar, Atbash, A1Z26 and Vigenère ciphers, so code-and-puzzle books are a strong next read.
  • Over the Garden Wall, Amphibia, The Owl House, Steven Universe and Hilda are the shows that come closest to the Gravity Falls mix of mystery and humor.

The best books like Gravity Falls are The Mysterious Benedict Society, The Spiderwick Chronicles and The Sisters Grimm: codes, twins with a secret guidebook, and two sisters solving strange cases in a small town. If your child has finished the show twice and is still decoding the end credits, these books similar to Gravity Falls give them the same mix of mystery, monsters and jokes. Below are 12 checked picks, the three official Gravity Falls books, a page on the show's ciphers, and five shows to watch next.

Books like Gravity Falls: the 12 best picks

Twelve books match Gravity Falls on at least one of its four big elements: siblings or twins, a small-town mystery, codes and cryptograms, and monsters played for laughs. The ages come from Common Sense Media, which rates the show itself 8+.

BookAuthorYearAge (Common Sense Media)What it shares with Gravity Falls
The Mysterious Benedict SocietyTrenton Lee Stewart20079+Codes, brainteasers, a secret to crack
The Field Guide (Spiderwick Chronicles, book 1)Tony DiTerlizzi and Holly Black20037+Twin brothers, a handwritten guide to hidden creatures
The Fairy-Tale Detectives (Sisters Grimm, book 1)Michael Buckley20059+ (series)Two sisters, small-town magic, detective work
The Bad Beginning (A Series of Unfortunate Events, book 1)Lemony Snicket19999+Siblings, a scheming adult, dark humor
"Who Could That Be at This Hour?" (All the Wrong Questions, book 1)Lemony Snicket20129+A strange half-empty town full of mysteries
The Westing GameEllen Raskin197810+A puzzle mystery built on clues
Chasing VermeerBlue Balliett20049+Coded messages sent with pentominoes
The Name of This Book Is SecretPseudonymous Bosch20079+A secret society, codes and riddles
Escape from Mr. Lemoncello's LibraryChris Grabenstein20138+A puzzle game with rebus clues
Amulet: The StonekeeperKazu Kibuishi20088+A brother and sister, an old family house, creatures
The Last Kids on EarthMax Brallier20158+Monsters with humor, friends in a treehouse
CoralineNeil Gaiman20028+A hidden door, a creepy other world, a brave kid

Years and authors were checked on each book's Wikipedia page, and the ages on each book's Common Sense Media review. Amulet and The Last Kids on Earth are illustrated, so they also work for a child who prefers graphic novels for kids.

Three to start with

The right first book depends on the part of the show your child talks about most. A puzzle lover goes to The Mysterious Benedict Society, where four gifted children are recruited to investigate secret messages and Mr. Benedict talks to them in Morse code (Wikipedia).

A child who loves Dipper and Mabel goes to The Spiderwick Chronicles. Its heroes are nine-year-old identical twins, Jared and Simon, who move with their sister into an old house in Maine and find Arthur Spiderwick's handwritten field guide to the fantastical world around them, which feels a lot like finding Journal 3.

A child who loves the town itself goes to The Sisters Grimm. Sabrina and Daphne Grimm move in with their grandmother in Ferryport Landing and learn that their family has policed the town's magical Everafters for generations.

A child at a wooden desk by a window with pine trees outside, working on a puzzle with a magnifying glass and a flashlight
A child at a wooden desk by a window with pine trees outside, working on a puzzle with a magnifying glass and a flashlight

What makes a book feel like Gravity Falls

A book feels like Gravity Falls when it puts kids in charge of a mystery that adults either ignore or cause. The show, created by Alex Hirsch, follows twins Dipper and Mabel Pines through a summer with their great-uncle in a small Oregon town. It ran on Disney Channel and then Disney XD from June 15, 2012, to February 15, 2016 (Wikipedia).

Under the jokes, the show is about a brother and sister who protect each other. The books that land best keep that warmth, which is why sibling stories such as Amulet and A Series of Unfortunate Events work even without a single cipher.

The four elements to match

Look for at least two of these four in any book you pick:

  • Twins or siblings: Spiderwick, Sisters Grimm, A Series of Unfortunate Events, Amulet.
  • A small-town mystery: Sisters Grimm, All the Wrong Questions, The Westing Game.
  • Codes and cryptograms: Benedict Society, Chasing Vermeer, The Name of This Book Is Secret, Mr. Lemoncello.
  • Monsters with humor: The Last Kids on Earth, Spiderwick, Coraline for the creepier side.

The official Gravity Falls books

Three official books continue the show on paper, and they suit different ages. The dates below come from the Gravity Falls Wikipedia article and the entry for The Book of Bill.

BookReleasedWho made itFormatBest for
Gravity Falls: Journal 3July 26, 2016 (Disney Press)Alex Hirsch and Rob RenzettiThe journal from the show, page by pageFans of the show who like to pore over details
Gravity Falls: Lost LegendsJuly 24, 2018 (Disney Press)Alex HirschGraphic novel with new storiesYounger fans and comic readers
The Book of BillJuly 23, 2024 (Hyperion Avenue)Alex HirschIllustrated book told by the villain, Bill CipherTeens and adults

Journal 3 is the one most kids want first, because it is the book Dipper carries all through the show. Lost Legends is the easiest read, with panels instead of long pages.

Is The Book of Bill for kids?

The Book of Bill is not written for young children. Wikipedia describes it as a book for a "teen and adult audience" and calls it the first Gravity Falls book targeted at a mature audience. Read it yourself before you hand it to a child under 13, and give younger fans Journal 3 or Lost Legends.

Codes and puzzles: why Gravity Falls fans love ciphers

Codes are the part of Gravity Falls that turns viewers into readers. Hirsch hid "a variety of codes, cryptograms, backwards messages, and other secret clues" in every episode, and each episode ends with a coded message in the credits.

Looper's guide to the show's codes lists the main ciphers. Season 1 uses a Caesar cipher that shifts letters by three, the Atbash "mirror code" where A becomes Z, and the A1Z26 code where each letter becomes its number in the alphabet. The season 1 finale combines all three, and much of season 2 uses a Vigenère cipher, where a keyword sets a different shift for each letter.

Make a Gravity Falls cipher at home

A Caesar cipher takes two minutes to teach. Write the alphabet on a strip of paper, then shift each letter three places back: H becomes E, E becomes B, L becomes I and O becomes L, so HELLO turns into EBIIL.

Let your child write a coded note to a sibling, then hand over a code book. Chasing Vermeer, The Name of This Book Is Secret and The Mysterious Benedict Society all reward a reader who stops to work out a message before reading on.

How to pick the next book for a Gravity Falls fan

A good next book matches your child's age, reading stamina and favorite part of the show.

  1. Ask what they liked most. The twins, the monsters, the codes or Grunkle Stan's jokes point to different rows of the table above.
  2. Check the age. Most picks sit at 8+ or 9+. A 7-year-old does best with Spiderwick or a book read aloud together.
  3. Match the length to their stamina. Spiderwick books are short, and The Mysterious Benedict Society is long. Amulet and The Last Kids on Earth carry a reluctant reader with pictures.
  4. Read the first chapter together. Mysteries hook kids once the first strange thing happens, so stay with them until it does.
  5. Keep book 2 on the shelf. Spiderwick, Sisters Grimm and Unfortunate Events are series, and momentum dies in the gap between books.
  6. Point them to more mysteries. Our list of mystery books for kids sorts more picks by age.
Try itCreate a personalized storybookYour child's name and photo, a story in minutes

When the child wants something scarier

Coraline by Neil Gaiman is the scariest pick for Gravity Falls fans, and Common Sense Media calls it a tale "sure to creep kids out". Save it for a child who enjoyed the creepier Gravity Falls episodes rather than one who watched them through their fingers.

Older readers who want a long fantasy series with the same loyalty between friends can move on to Wings of Fire. For a wider list by age, see the top 20 books for ages 8 to 10.

A parent and child in a big armchair under a plaid blanket, reading a book by a window at dusk, with a lamp and a toy owl on the sill
A parent and child in a big armchair under a plaid blanket, reading a book by a window at dusk, with a lamp and a toy owl on the sill

Shows like Gravity Falls to watch next

Five shows come closest to the Gravity Falls mix of mystery, humor and heart. Network and years were checked on each show's Wikipedia page.

ShowNetworkYearsWhy fans like it
Over the Garden WallCartoon Network2014 (10-episode miniseries)Two half-brothers lost in a strange forest called the Unknown
AmphibiaDisney Channel2019 to 2022A girl lands in a world of frog people and is taken in by a frog family
The Owl HouseDisney Channel2020 to 2023A girl becomes a witch's apprentice on the demon-ruled Boiling Isles
Steven UniverseCartoon Network2013 to 2019A half-Gem boy and his alien guardians protect a small beach town
HildaNetflix2018 to 2023A fearless girl befriends trolls, elves and spirits, based on Luke Pearson's comics

Over the Garden Wall is the quickest win, at ten short episodes. Hilda also has books: Luke Pearson's comics came first, so a fan of the show can move straight to them.

Shows made by Gravity Falls alumni

Two of these shows come from people who worked on Gravity Falls. Amphibia creator Matt Braly was a storyboard artist and director on Gravity Falls, and The Owl House creator Dana Terrace was a storyboard artist on it. Both shows carry the same mix of goofy jokes and real danger.

Your Gravity Falls reading checklist

  • Pick by element: twins, small town, codes or monsters.
  • Check the age: most picks are 8+ or 9+, and The Book of Bill is for teens and adults.
  • Start with one of three: Benedict Society, Spiderwick or Sisters Grimm.
  • Add a code: teach the Caesar shift and let your child write the next message.
  • Line up the show: Over the Garden Wall for a short watch, Amphibia or The Owl House for a long one.

A child who loves Dipper and Mabel can also be the hero of their own small-town mystery. KidTeller turns your child's photo into the illustrated hero, writes a fresh story from any idea you type, such as a strange summer in a pine-forest town with a sibling and a secret journal, and can add a brother or sister to the story with their own photo. You can have it narrated in your own cloned voice, and story ideas by theme help with a first plot.

Make your child the hero of a story

KidTeller turns your child's name and photo into an illustrated storybook in minutes. Read it on web or mobile in 30+ languages, or order it printed.

Frequently asked questions

What books are similar to Gravity Falls?

The Spiderwick Chronicles has twins who find a handwritten guide to hidden creatures, The Sisters Grimm has two sisters solving magical cases in a small town, and The Mysterious Benedict Society is full of codes and brainteasers. The Westing Game, Chasing Vermeer and Escape from Mr. Lemoncello's Library add puzzle mysteries.

Are there Gravity Falls chapter books?

The three main official books are Gravity Falls: Journal 3, written as Ford's journal, the graphic novel Gravity Falls: Lost Legends, and The Book of Bill for older readers. For a chapter book with the same feel, The Sisters Grimm and The Spiderwick Chronicles are the closest match.

Are there books like Gravity Falls for adults?

The Book of Bill (2024) is the Gravity Falls book written for teens and adults. Adults who loved the show's puzzles also enjoy The Westing Game, a Newbery Medal mystery that Kirkus called more a puzzle than a novel, and Coraline, which won the Hugo Award.

Is The Book of Bill OK for kids?

The Book of Bill is aimed at teens and adults. Its Wikipedia entry calls it the first Gravity Falls book targeted at a mature audience. Read it yourself first, and give younger fans Journal 3 or Lost Legends instead.

What codes are used in Gravity Falls?

The end-credit cryptograms use a Caesar cipher that shifts letters by three, the Atbash mirror code, the A1Z26 number code, a combination of all three in the season 1 finale, and a keyword-based Vigenère cipher in much of season 2.

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