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Incoming Resources
- Ernest Shackleton, gripped by the Antarctic, Rebecca L. Johnson
- Satellites, Rebecca L. Johnson
- A journey into a river, by Rebecca L. Johnson ; with illustrations by Phyllis V. Saroff
- The greenhouse effect : life on a warmer planet, by Rebecca L. Johnson
- The muscular system, by Rebecca L. Johnson
- Chernobyl's wild kingdom, life in the dead zone, Rebecca L. Johnson
- A walk in the tundra, by Rebecca L. Johnson ; with illustrations by Phyllis V. Saroff
- A walk in the boreal forest, by Rebecca L. Johnson ; illustrations by Phyllis V. Saroff
- A journey into the ocean, by Rebecca L. Johnson ; with illustrations by Phyllis V. Saroff
- A walk in the rain forest, by Rebecca L. Johnson ; illustrations by Phyllis V. Saroff
- The digestive system, by Rebecca L. Johnson
- A walk in the desert, by Rebecca L. Johnson ; with illustrations by Phyllis V. Saroff