Published by Margaret K. McElderry Books

ISBN 1442495642 (ISBN13: 9781442495647)

SYNOPSIS
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.

ABOUT THE AUTHORS
Cassandra Clare is the author of City of Bones, the first book in the Mortal Instruments trilogy and a New York Times bestseller. Cassandra lives with her fiance and their two cats in Massachusetts.

Sarah Rees Brennan is Irish and currently lives in Dublin. For a short stint, she lived in New York and became involved with a wide circle of writers who encouraged and supported her.