Magnus Bane may or may not be dating Alec Lightwood, but he definitely needs to find him the perfect birthday present.

Set in the time between City of Ashes and City of Glass, warlock Magnus Bane is determined to find the best birthday present possible for Alec Lightwood, the Shadowhunter he may or may not be dating. And he’s also got to deal with the demon he’s conjured up for a very irritating client...