LOVE LOVE LOVE the Magic Shop series by Bruce Coville, and wish there were more! The best one, and a permanent fixture on our recommended reading list, is Jeremy Thatcher, Dragon Hatcher . Our Library dragon (a large plush dragon used as a seat, pillow, and wrestling partner until Miss Ami catches you), is even named Tiamat, after the dragon in that story.
So, we know his name, and we are pretty sure he's a toad, but...what kind of toad??? Any armchair herpetologists (or anyone with more time to research than we have today) out there???
Okay, after a little googling, we think it's actually a plain old (but HUGE) American bullfrog - which would change his name to Rana. But we still love the books:)