The Complete Guide to Dwarf Seahorses in the Aquarium
Seahorses: Conservation and Care
Seahorses as Pets. Seahorse Complete Owners Manual. Seahorse care, health, tank, costs and feeding.
Seahorses (Barron's Complete Pet Owner's Manuals)
So you want to keep seahorses
Seahorses
The Conscientious Marine Aquarist: A Commonsense Handbook for Successful Saltwater Hobbyists
Project Seahorse (Scientists in the Field Series)