That was number 2. And the only reason was because of the Sario Rip (time travel thingy). It was never explained why it was like that though. It just was.
I can't remember the number but it was the one with the dinosaurs. But I do remember what Tobias said. But then again I've also noticed Applegate changing that around between all the books as though she couldn't make up her mind.
Did you ever see the show on Nick. It was awful, they buchered it. I wasn't surprised it was cancled. lol
Megamorphs 3? Are you sure? I thought it was 2. Anyway, the reason for that was something to do with the time travaling. And the time travel in both so this works for both. When you morph back to your origial body, you are morphing form D.N.A. so all damage done is compleatly healed. I don't remmber why, but for some reason, the time traveling messed with that.