• Ants: Backyard Science (Revised) (1978)
• Bees: Backyard Science (revised) (1978)
• Context Clues (1985)
• Grasslands of the World (1978)
• Paragraphs with Ralph and Stanley (1979)
• Pets: A First Film (1979)
• Sentences with Ralph and Stanley (1979)
• Spiders: Backyard Science (Revised) (1978)
• Word Wise: Antonyms (1977)
• Word Wise: Compound Words (1976)
• Word Wise: Homographs (1979)
• Word Wise: Homonyms (1977)
• Word Wise: Prefixes (1976)
• Word Wise: Root Words (1976)
• Word Wise: Suffixes (1976)
• Word Wise: Synonyms (1977)
• Word Wise: Word Families (1976)

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