A couple I like:
Tropical Mangos, how to grow the world's most delicious fruit
By: Noris Ledesma, Carl Campbell and Richard Campbell, 2002
Guide to Mangos in Florida
By: Richard Campbell and Carl Campbell, 1994
The Complete Book of Bananas
By: William O. Lessard, 1992
Manual Of Tropical and Subtropical Fruits: Excluding The Banana, Coconut, Pineapple, Citrus Fruits, Olive and Fig
By: Wilson Popenoe, 1920
... And one of my favorites and a fun read:Wilson Popenoe: Agricultural Explorer, Educator, and Friend of Latin America
By: Frederic Rosengarten Jr, 1994
Adiel