I'm searching for a book I read roughly 10 times while I was in jail. The front/back cover and first few pages were ripped out, so I never learned the title.

All I can remember is:

The book is about dragons.

There are different kinds of dragons;

Chroma and Metal or something like that. The colored dragons are natural dragons, with different colors, and each color has a different ability for the dragon. Brown is acid, red is fire, etc.

Metal dragons also have different colors, but I can't remember if they have the same abilities or anything.

The book starts with the parents of a new batch of babies and it goes through the adolescent period with the parents dying or something and you get the whole "growing up" phase and the different kinds of dragons, chroma and metal, split up.

Once they've grown, they end up finding each other and fighting, I think. It's hard for me to remember things as I read it 4 years ago, but still.

From what I can remember as well, one or two dragons have a shapeshifting ability, and take on the form of a human. This human is often visited for advice and stuff like that.