I know the rspca does a good book. Try out waterstones or whsmiths.
For my kitten ive got a ' A Kittens First Year'. It's an easy to understand book and i still read it now and again. I do not know if it still available but i got it from The Works.
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R.I.P Oscar -Never forgotten
Overtake me and you will not see the outcome...just rember to look further ahead:P
Dogs wonder why you call them, Cats know why you call them.