• The River of Life: The Hydrologic Cycle and Water Pollution (1991)
• Mud and Salt: The World of the Estuary (1991)
• The Nature of Biology: An Introduction (1994)
• The Life of a Forest (1993)
• Angiosperms (19??)
• Seeds, Stems, and Roots (19??)
• Biotechnology: Science Tool for the Future (19??)
• Botany: Plant Movement & Transportation (19??)
• Botany: Plant Nutrition (19??)
• Botany: Plant Reproduction (19??)
• Tissues (19??)
• Botany Series (19??)
• Botany Series: Introduction (19??)
• Botany Series: Photosynthesis (19??)
• Botany Series: Plant Reproduction (19??)
• Plant Tissue Culture Series (19??)
• The Bio-Diversity Story (19??)
• Mitosis and Meiosis (1994)
• Introduction to Botany (19??)
• Plant Reproduction (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)

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