My Books:


Farmer George Plants a Nation - Illustrated by Layne Johnson.  Published by Calkins Creek Press, 2008.

Snow Dance - Illustrated by Paul Facklam and published by Pelican Press, 2008.

New York: the Empire State - with Margery Facklam.    
Illustrated by Jon Messer and published by Charlesbridge

Grace Hopper: computer pioneer - Pearson Pub. 2007

Joshua the Giant Frog -  Illustrated by Cat Bowman Smith 
and published by Pelican Pub.

Artificial Intelligence and Bacteria and Viruses -  Both for
the Lucent Library of Science and Technology

Forensic Anthropology - An expanded and updated edition 
of Talking Bones, Facts On File. 

The Science of Saving Animals Series
Reptile Rescue
Bird Alert
Marine Mammal Preservation
Big Cat Conservation
for Twenty-first Century Books

Medicines From Nature - Twenty-first Century Books

The Kids' World Almanac of Amazing Facts About 
Numbers, Math and Money - Kid's World Almanac Inc.

Volcano!