Lot of 10 Potty Training Books for boys:

1. Everyone Poops by Taro Gomi (hardcover) -- wear to spine
2. It's Potty Time by Tracey Corderoy and Caroline Pedler (paperback) --scribble inside back cover, sticker on back cover, light cover wear 
3. It's Potty Time - Potty Training Made Easy for Boys (board book, flushing sound no longer works) --light cover wear
4. Monkey Learns to Potty (hardcover) --light cover wear
5. My Big Boy Potty by Joanna Cole (hardcover) --excellent condition! 
6. P is for Potty (hardcover, lift-the-flap) --light cover wear
7. Potty Superhero - Get Ready for Big Boy Pants (board book) --very good condition
8. The Potty Book for Boys (hardcover) --light cover wear
9. Toilet Time for Boys (board book, makes flushing sound!) --repaired with tape where spine was broken
10. Usborne Parents' Guide:  A Guide to Potty Training (paperback) -- excellent condition!