Find the tower of books below the market, then follow the 31-move Tower of Hanoi sequence to rebuild the stack on the rightmost table.

The Suncraft book riddle is the tower of books below the market. Move all five books from the left table to the rightmost table. You may move only the top book, and a larger book cannot sit on a smaller one. The shortest solution takes 31 moves.
Use the table names as they appear when you first reach the puzzle: Left holds the stack, Middle is empty, and Right is the destination. The book order from smallest to largest is Blue, Red, Green, Pink, and Orange.
Complete 31-move solution
| Step | Book | Move |
|---|---|---|
| 1 | Blue | Left → Right |
| 2 | Red | Left → Middle |
| 3 | Blue | Right → Middle |
| 4 | Green | Left → Right |
| 5 | Blue | Middle → Left |
| 6 | Red | Middle → Right |
| 7 | Blue | Left → Right |
| 8 | Pink | Left → Middle |
| 9 | Blue | Right → Middle |
| 10 | Red | Right → Left |
| 11 | Blue | Middle → Left |
| 12 | Green | Right → Middle |
| 13 | Blue | Left → Right |
| 14 | Red | Left → Middle |
| 15 | Blue | Right → Middle |
| 16 | Orange | Left → Right |
| 17 | Blue | Middle → Left |
| 18 | Red | Middle → Right |
| 19 | Blue | Left → Right |
| 20 | Green | Middle → Left |
| 21 | Blue | Right → Middle |
| 22 | Red | Right → Left |
| 23 | Blue | Middle → Left |
| 24 | Pink | Middle → Right |
| 25 | Blue | Left → Right |
| 26 | Red | Left → Middle |
| 27 | Blue | Right → Middle |
| 28 | Green | Left → Right |
| 29 | Blue | Middle → Left |
| 30 | Red | Middle → Right |
| 31 | Blue | Left → Right |
At the end, the right table should show Orange at the bottom, followed by Pink, Green, Red, and Blue. Steam's current achievement page counts this as one of three Riddle Master requirements.
If your stack no longer matches step 1
Do not jump into the middle of the table unless your books are in exactly the same positions. Reset or reload the puzzle first, confirm all five books are back on the left table, then start again and mark each completed row. If the game blocks a move, the book you selected is not exposed or the destination has a smaller book on top.
After the book stack is complete, use the torch puzzle and pillar puzzle, then check the Riddle Master checklist if the achievement does not register.
Sources
QUICK ANSWERS
Questions players ask next
Where is the book riddle in Suncraft?
Current players place the tower of books below the market, near the bottom of the map.
What is the goal of the Suncraft book puzzle?
Move the complete five-book stack from the left table to the rightmost table, one book at a time, without putting a larger book on a smaller one.
Does the book riddle count for Riddle Master?
Yes. Steam's current achievement description requires the book, torch, and pillar riddles.
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