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- Heat, writer, Jackie Ball ... [et al.] ; editor, Katie King
- Protists and fungi, writers: Jackie Ball ...[et al.]
- Electricity, writer, Richie Chevat, Jackie Ball ; copy editor, Joellyn M. Ausanka ; illustrations, Steve Gray ... [et al.]
- Sound, writers, Jackie Ball ... [et al.] ; editor, Justine Ciovacco ; illustrations, Steve Stankiewicz ... [et al.]
- Matter, writers, Jackie Ball ... [et al.] ; editor, Sharon Yates ; illustration, Lee MacLeod
- Nuclear energy, writers, Jackie Ball ... [et al.] ; editor, Lelia Mander