$8.00 LeapFrog Leap Pad Reading book Fox in socks- Prepare for first grade success with LeapPad and Dr. Seuss Fox in Socks Book. Join Fox and Knox on their hilarious tongue-twisting adventures. Based on the popular book by Dr. Seuss, this interactive version of Fox in Socks is packed with rhymes and games on every page to help your child develop essential language skills.Teaches reading, reading comprehension, new vocabulary words and definitions. It also focuses on concentration, memory skills and much more. For use with the LeapPad Learning System, sold separately.