Our dog ruptured her CCL ligament when our 1 1/2 year old puppy ran into her full speed, so while she was recovering from her knee surgery, we began training our dog. We read tons of information online, joined a few membership sites and even downloaded a few ebooks, of all the options, these were our favorite sites:

Sit, Stay, Fetch – This proven program really allows you to take control of your relationship with your dog. Highly recommended.
Dog & Puppy Training – Training techniques by Dove Cresswell – Professional Hollywood …