Title: Princess's Mistake Finder Author: Story: Ioi Himeki, Illustrations: Piyona Publisher: Poplar Publishing Price: 820 yen (excluding tax) With a story and 77 puzzles! Yui is a princess in the land of riddles. One day, she finds a sparkling book in the library. A small mischievous devil jumps out from inside. She has to catch him and stop his pranks! You can enjoy mistake-finding while reading the story. Perfect for taking on outings or playing with. Thank you for looking. As you can see from the photos above, there is a slight bend. I erased the circles that were drawn in pencil on the first and second questions.