• Hydroponics: An Introduction to Soilless Agriculture (19??)
• The Bio-Diversity Story (19??)
• Mitosis and Meiosis (1994)
• Introduction to Botany (19??)
• Plant Reproduction (19??)
• Pioneers, Explorers, and Expeditions (19??)
• Science & Discovery (19??)
• Cell Biology: Creatures of the Pond (1990)
• Cell Biology: Development of the Amphibian Embryo (1990)
• Biology Concepts through Discovery: Photosynthesis (1991)
• Biology Concepts through Discovery: Cellular Respiration (1991)
• Biology Concepts through Discovery: Ecology (1991)
• Biology Concepts through Discovery: Pollution (1991)
• Biology Concepts through Discovery: Excretion (1991)
• Global Problems and Issues (1991)
• Minerals: Earth's Building Blocks (1993)
• Hydrologic Cycle: Water in Motion (1993)
• ABC World of Discovery: The Secret Life of 118 Green Street (1993)
• ABC World of Discovery: Crocodile's Revenge (1990)
• Isaac Asimov: Voyage to the Outer Planets and Beyond (19??)
• Dr. Dad's PH3--Flight (1995)
• Dr. Dad's PH3--Animal Architecture (1995)
• Dr. Dad's PH3--Soil and Agriculture (1995)
• Dr. Dad's PH3--Nutrition (1995)
• The History Game (1993)

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