Welcome to Shelf Sort: Book Color Puzzle!<br><br>Swap colorful books until every shelf is one color. Drag or tap to swap, beat the clock, and climb through 50 levels.<br><br>New modes unlock as you play:<br>• Hidden books that reveal their color<br>• Ice that freezes books until it melts<br>• Locks opened with a gold key<br>• Peek books you hold to see<br>• Quake swaps that shake the shelf<br><br>
Only the current version so far — new entries appear as the game ships updates.
Swap books, fill each shelf with one color. Beat the clock across
