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Incoming Resources
- Botany, 49 science fair projects, by Robert L. Bonnet and G. Daniel Keen
- Home run!, science projects with baseball and softball, Robert L. Bonnet and Dan Keen
- Science fair projects, the environment, Bob Bonnet & Dan Keen ; illustrated by Frances Zweifel
- Space and astronomy, 49 science fair projects, Robert L. Bonnet, G. Daniel Keen
- Science fair projects with electricity & electronics, Bob Bonnet & Dan Keen ; illustrated by Karen McKee
- Science fair projects, flight, space & astronomy, Bob Bonnet & Dan Keen ; illustrated by Frances Zweifel