- The Gingerbread Book
- Exercises for the Whole Brain: Neuron-Builders to Stimulate and Entertain Your Visual, Math and Executive-Planning Skills
- Popular Mechanics Home Appliance Repair Manual
- Building Mental Muscle: Conditioning Exercises for the Six Intelligence Zones (Brain Waves Books)
- Building Left-Brain Power: Left-Brain Conditioning Exercises and Tips to Strengthen Language, Math and Uniquely Human Skills





























