The Show Censors Are Gone
When Gravity Falls aired on Disney Channel, creator Alex Hirsch famously fought network censors over every joke, eyeball, and occult reference. The Book of Bill is what happens when those restrictions vanish. Published as an illustrated graphic novel aimed at older fans, the book hands the microphone directly to Bill Cipher—the triangular, dimensional nightmare demon who terrorized the show.
The result is an art book disguised as a corrupted self-help manual for villainy. It is full of hidden codes, backstories, surreal illustrations, and genuine body horror (think melted skin, gouged eyes, and graphic references to pain). If your kid loved the show at age seven and wants this at age nine, do a quick scan first. The tone relies entirely on satire: Bill is a bad-faith manipulator, and the fun comes from seeing through his ridiculous logic.
Cipher-Cracking for Literate Teens
For a teenager with a strong handle on irony, the book works. It treats the reader like an insider, challenging them to decode written ciphers and analyze an unreliable narrator who treats the universe as a joke. It functions less like a linear novel and more like an interactive puzzle box.
If you have a younger fan begging for it, consider reading it together or steering them back to the show's earlier tie-ins like Journal 3, which keep the spooky mystery intact without leaning into full-on gory horror.