you can get books about breeding from amazon. a good book to look for is the book of the bitch £7.49, complete book of dog breeding £6.39, buy them together for £13.88!
there are lots of books about breeding dogs, but i reccommend these, they are very helpful. there is also a dog breeding book for dummies. you should also have a look on ebay, you may get a better deal on breeding books!