Science Gumshoes
Children's Science Through Detective Stories
Chemistry Gumshoes: Identification of Gold
Botany Gumshoes: Orchids
Genetics Gumshoes: Genetic Engineering
Geometry Gumshoes: Polar Coordinate System
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Julian.Rubin@ScienceGumshoes.com
Last updated: September 2007
Copyright © 2007 Julian Rubin