One of a series of books set in an animal hospital. A guinea pig is admitted to the hospital because its fur is falling out, and is clearly suffering from some kind of stress. Eddie works out that the school guinea pig is being mistreated by a nasty gang.
SICK PETS AND INJURED ANIMALS – EVERY DAY BRINGS A NEW CASUALTY FOR EDDIE AND THE STAFF AT THE RAINBOW ANIMAL HOSPITAL
When a school pet suddenly starts losing its hair, there 'has' to be a reason. Eddie decides that it’s up to him and his brilliant little sister Kate to do some 'serious' detective work. Can they find out just what is wrong with the toffee-coloured guinea pig?