The Viking Saga of Harri Bristlebeard A Heroic Puzzle Adventure

by Jonathan Stroud

Wait—I know Stroud wrote your book, but hear me out. This is his masterwork, and it has that same puzzle-box quality where you're constantly discovering the rules of the magic system alongside the protagonist. Where Harri's adventure is straightforward heroism, Bartimaeus's London is layered with competing agendas and riddles within riddles—but the same sense of clever problem-solving that made you love the first book will absolutely grip you here.

by J.R.R. Tolkien

Bilbo's journey has that same DNA as Harri's—a somewhat unlikely hero stumbling through riddle contests, dragon encounters, and treasure quests. But Tolkien writes with a storyteller's warmth that makes you feel like you're hearing this tale by firelight. The riddle-game with Gollum alone justifies the recommendation, and the pacing mirrors how Stroud structures his puzzles: each challenge builds on what you've learned before.

by Megan Whalen Turner

This is the surprise pick, and it's deliberately tricky in a way that rewards careful readers. Turner plants clues throughout that make you want to immediately reread it—similar to how Stroud's puzzles require you to pay attention to every detail. The protagonist is solving a mystery that's far deeper than it initially appears, and the satisfaction comes from that moment when you realize you've been given all the answers already, just not in the order you expected.

by Diana Wynne Jones

Jones has that same playful approach to fantasy that Stroud brings to his work—nothing is quite as it seems, and the real magic is in the wit. Sophie's journey involves outwitting curses and understanding the logic of a world where words and names have power. It's got adventure and danger, but it's wrapped in humor and clever wordplay that makes you feel like you're in on the joke with the author.