Ruth Kassinger

Slime: How Algae Created Us, Plague Us, and Just Might Save Us

Ruth Kassinger

$5.69 - $28.75

Paradise Under Glass: The Education of an Indoor Gardener

Ruth Kassinger

$4.59 - $19.23

A Garden of Marvels: How We Discovered that Flowers Have Sex, Leaves Eat Air, and Other Secrets of Plants

Ruth Kassinger

$7.39 - $18.28

Ceramics

Ruth Kassinger

$10.99 - $12.59

Reinvent the Wheel: Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge

Ruth Kassinger

$6.39

The Outwin Boochever Portrait Competition 2006

Ruth Kassinger

$23.11

Iron and Steel

Ruth Kassinger

Out of Stock

Go for the Gold

Ruth Kassinger

Out of Stock

Build a Better Mousetrap: Make Classic Inventions, Discover Your Problem Solving Genius, and Take the Inventor's Challenge

Ruth Kassinger

$5.49 - $15.84

Dyes

Ruth Kassinger

$13.29

U.S. Census: A Mirror for America

Ruth Kassinger

Out of Stock

Glass: From Cinderella's Slippers to Fiber Optics

Ruth Kassinger

$15.29

Manual del inventor/ Build a Better Mousetrap

Ruth Kassinger

Out of Stock