- The Dynamic Digestive System: How Does My Stomach Work?
- The Amazing Circulatory System: How Does My Heart Work?
- The Exciting Endocrine System: How Do My Glands Work? (Slim Goodbody's Body Buddies)
- The Mighty Muscular and Skeletal System: How Do My Muscles and Bones Work? (Slim Goodbody's Body Buddies)
- Slim Goodbody: What Can Go Wrong and How to Be Strong