The Infernal Devices: Clockwork Angel/Clockwork Prince/Clockwork Princess

Collects the adventures of shapechanger Tessa Gray as she searches for her missing brother in Victorian London's underground, works with shadowhunters to defeat an army, and is kidnapped by Mortmain in his final bid for power.

Cassandra Clare is the author of the #1 
New York Times, 
USA TODAY,
Wall Street Journal, and
Publishers Weekly bestselling Shadowhunter Chronicles. She is also the coauthor of the bestselling fantasy series Magisterium with Holly Black. The Shadowhunter Chronicles have been adapted as both a major motion picture and a television series. Her books have more than fifty million copies in print worldwide and have been translated into more than thirty-five languages. Cassandra lives in western Massachusetts with her husband and three fearsome cats. Visit her at CassandraClare.com. Learn more about the world of the Shadowhunters at Shadowhunters.com.