The current guide structure tracks 12 chapters: six main story chapters, four post-game chapters, and two challenge chapters.
Walkthrough Hub
Walkthrough Hub
Chapter menu and walkthrough hub for Yoshi and the Mysterious Book, with links to the complete article, chapter pages, Smiley Flowers, creatures, discoveries, and post-game routes.
Last updated: 2026-05-24
Main Story Chapters
6 pages
Chapter 1
Wildwoods
Wildwoods teaches the discovery loop: observe a creature, test Yoshi actions, record the Big Discovery, then revisit for flowers and missing notes.
Main Story
Chapter 2
Mountaintops
Mountaintops increases vertical route planning with floating, slow-fall, bouncing, chasing, and launch-based creature puzzles.
Main Story
Chapter 3
Seaside
Seaside centers on water, bubbles, fishing-style retrieval, and route timing around creatures that move through water.
Main Story
Chapter 4
Settled Valley
Settled Valley leans into multi-step object puzzles where creatures move, steal, break, protect, or transform parts of the route.
Main Story
Chapter 5
Bug Country
Bug Country is more technical, with surface behavior, projectile-style solutions, gliding routes, and specialized creature abilities.
Main Story
Chapter 6
Remote Isle
Remote Isle closes the main story route by combining carried movement, water traversal, rhythm-like interactions, and finale discovery checks.
Main Story
Post-Game Chapters
4 pages
Chapter 7
Underground
Underground begins the post-game cleanup route with hidden chambers, buried paths, ceiling checks, and weight-based movement.
Post-Game
Chapter 8
Tallest of Trees
Tallest of Trees rewards cross-creature thinking, with interactions that may involve carrying one behavior into another setup.
Post-Game
Chapter 9
Miniworld
Miniworld remixes familiar creatures at a different scale, changing timing, reach, distance, and routing assumptions.
Post-Game
Chapter 10
Moon
Moon is the late post-game climax before challenge chapters, combining altered movement, air routes, electric setups, and final story checks.
Post-Game
Challenge Chapters
2 pages
Chapter 11
Special Studies
Special Studies tests creature understanding through identification, timing, route optimization, search challenges, and survival-style movement.
Challenge
Chapter 12
Mr. E's Challenges
Mr. E's Challenges are the final 100% test, emphasizing controlled destruction, object protection, search timing, escape routes, and precision movement.
Challenge
Related Guides
FAQ
Focus on Big Discoveries and star thresholds first. Leave full flower cleanup until you have a clearer view of each chapter layout.
Open the in-game book page, check the missing silhouette or hint, then revisit that habitat and test creature actions near the likely area.