"For libraries looking to update books on ecosystems,
this attractive and easy-to-use set is full of interesting and readable
information with each book devoting end chapters to conservation issues in the
face of modern
challengers"
VOYA,
February 2009
"It’s tough to make a river interesting, but
this entry in the Nature’s Wonders series does an admirable job of
it."
Booklist,
October 15, 2008