Check the listing for details. NOS NEW LeapPad Scooby Doo Haunted Castle Reading Interactive Book Cartridge Y2K. Condition: Brand New. Listed at 20.74 USD. This LeapPad Scooby Doo and the Haunted Castle Reading Interactive Book & Cartridge is a great addition to your child's early learning collection. The cartridge is designed to work with LeapFrog's LeapPad system, providing an interactive and engaging experience for children. The book is written in English and is perfect for children who love to learn and explore. The cartridge is ideal for children who are interested in web and desktop publishing, software, and computers and tablets and networking. It is a perfect choice for parents who want to encourage their children to learn and explore in a safe and engaging environment. With the LeapPad Scooby Doo Haunted Castle Reading Interactive Book Cartridge, your child can learn and have fun while developing essential skills for the future.