Defying Gravity

by Sean Callery

Published 1 January 2009

Lights Out!

by Sean Callery

Published 1 January 2009
"Describes the science behind an arctic winter, including its effects on daily life for people and wildlife"--Provided by publisher.


Frozen World

by Sean Callery

Published 1 March 2009
"Presents the science behind world climate changes, including causes and possible solutions"--Provided by publisher.