Erika Kors

5 books • 1 series

Feb 1, 1991
Cover of How Did We Find Out about Pluto?

How Did We Find Out about Pluto? (How Did We Find Out about ...?)

Oct 1, 1990
Cover of How Did We Find Out about Neptune?

How Did We Find Out about Neptune? (How Did We Find Out about ...?)

Jul 1, 1990
Cover of How Did We Find Out about Lasers?

How Did We Find Out about Lasers? (How Did We Find Out about ...?)

Nov 1, 1989
Cover of How Did We Find Out about Photosynthesis?

How Did We Find Out about Photosynthesis? (How Did We Find Out about ...?)

Mar 1, 1988
Cover of How Did We Find Out about Superconductivity?

How Did We Find Out about Superconductivity? (How Did We Find Out about ...?)