Street Magic by Tamora Pierce

Former "street rat" Briar Moss must face his past when he discovers a young mage in need of a mentor.

I think Briar is my favourite of the four, and I would really like to see more of this story of him, Rosethorn and Evvy.

I enjoyed this book a lot, especially the depth with which Briar and every other character who'd been in a gang were treated. The only thing I didn't enjoy was the description of a fat character where his weight was considered part of his overall moral failings, because such descriptions in media reinforces a reader's ideas about fat as a moral failing in real life.

I love this series so much and seeing how everyone's magic develops!