A young girl describe how important clean water is, how to manage it, why we need it, and why everyone needs to work together to protect it.

"Illuminating." --New York Times WIRED's Required Science Reading 2016 When we think of water in the West, we think of conflict and crisis. Yet despite decades

#1 NEW YORK TIMES BESTSELLER GOODREADS CHOICE AWARD WINNER FOR MYSTERY/THRILLER An addictive novel of psychological suspense from the author of #1 New York Time

The Santa Cruz River that once flowed through Tucson, Arizona is today a sad mirage of a river. Except for brief periods following heavy rainfall, it is bone dr

When the Sudanese civil war reaches his village in 1985, 11-year-old Salva becomes separated from his family and must walk with other Dinka tribe members throug