The books listed below may be found online through the Everglades Association.  Other books, including titles on butterflies, birds, trees, manatees, and dolphins, are also available.

History
Charlotte's Story by Charlotte Niedhauk
The Young Wrecker on the Florida Reef by Richard Meade Bache
Twenty Florida Pirates by Kevin M. McCarthy

Marine
The Coral Reef by Jerry and Idaz Greenburg
Coral Reefs (Peterson Field Guides) by Eugene H. Kaplan
Seashore Plants of South Florida & The Carribean by David W. Nellis
Florida Keys - Natural Wonders of an Island Paradise by Jeff Ripple

For Children
The Sea, The Storm, and The Mangrove Tangle by Lynne Cherry
Sam the Sea Cow by Francine Jacobs
Into the Sea by Brenda Z. Guiberson
Dear Children of the Earth by Schim Schimmel