Wasn't quite sure where to post this, but since there is a lot of health-related info in this book, I chose this section!
Full price at Pets at Home = £8.99, and it says 50% off marked price; not bad for brand new
(I can really recommend this one, it is one of the more detailed books aimed at the more mature reader, rather than child-based, and there's a big section on possible ailments). A good hamster companion