Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Dragonflies of the World
By Jill Silsby
Smithsonian Institution Press, 2001
ISBN: 1-56098-959-9
Cite: 2473 with citation markup [cite:2473]

glad it's here...
A remarkably informative and helpful reference covering the entire Odonata, not just dragons [despite the title] -- concise, well-written, up-to-the point, and professional. I would recommend it to anyone interested in odes and living things in general.