Street Magic is the second book in the quartet The Circle Opens by fantasy author Tamora Pierce.

[1] It describes the further adventures of child-mage Briar Moss in his travels with his teacher, the Dedicate Initiate Rosethorn.

When Evvy singularly refuses to study with local stone mage Jebilu Stoneslicer, Briar takes her training in hand himself.

The Vipers attempt to kidnap her many times, so Lady Zenadia doa Atteneh can use Evvy's powers as a stone mage to further increase her riches.

Lady Zenadia doa Atteneh – a rich widow who is connected with the street gang known as the Vipers.