_Ferrets, Rabbits and Rodents, Clinical Medicine and Surgery_:
http://www.us.elsevierhealth.com/product.jsp?isbn=0721693776
(I've ordered from them with good results.)
 
www.vetbooks.co.uk/rabbdata.htm
(No experience with them.)  They are in the U.K., BTW, for the ease of
those there...
 
To find it in Amazon go to advanced search and put in the ISBN#.   That
works the best there.
 
Here are the essentials:
 
Ferrets, Rabbits and Rodents: Clinical Medicine and Surgery Including
Sugar Gliders and Hedgehogs
Author:
Katherine Quesenberry
James W. Carpenter
 
W B Saunders December, 2003 Paperback
ISBN: 0721693776
[Posted in FML issue 4392]