Common Flora and Fauna of the Mariana Islands, by Laura Williams and Scott Vogt. Can be found at Bestseller Books. A great book for students just getting to know the plants and animals of the Marianas.
Trees and Shrubs of the Northern Mariana Islands, by Lynn Raulerson and Agnes Rinehart. Book is available at Micronesian Area Research Center. This is the best overall plant book for limestone forests.
Plants of Guam-I tinanomguahansiha, University of Guam, College of Agriculture and Life Sciences. Book is available at Micronesian Area Research Center.
The native forest birds of Guam by Mark Jenkins –Division of Aquatic and Wildlife resource-Dept. Agriculture—website: http://elibrary.unm.edu/sora/om/om031.pdf. Great book written in early 1980’s just as the birds were disappearing from the Marianas. Wonderful observations and natural history of Guam’s bird species.