If you have an invisible disability and want to learn about the help a service dog can give you, if you want to learn more about dogs, if you want to know what a great breeder does before you get to bring your puppy home, if you want to laugh – or cry, if you want to see some really really good photos of dogs, if you want to see some telling, funny drawings of dogs, if you want to read about how one dog taught a complex job to another dog, if you want to understand how your dog’s genetic predisposition to do a job informs his life, if you have an iPad or a Kindle or a Nook, for $6.99 you can read DO BORDER COLLIES DREAM OF SHEEP? and never look at dogs the same way again.