A Concise Guide to Colic in the Horse
D.W. Ramey, DVM. Howell Bookhouse, New York, NY, 1996.
Colic, of course, makes everyone crazy. Fortunately, colic is usually not a huge problem for an individual horse, but if there is a serious problem, you need to know about it right away. This book has lots of information to help you what’s going on when your horse has a bellyache.