A collection of ten short stories, some of which were previously available online, that follow Jem Carstairs as he travels through the many Shadow Markets around the world, searching for a relic from his past.

Son of the dawn / by Cassandra Clare and Sarah Rees Brennan -- Cast long shadows / by Cassandra Clare and Sarah Rees Brennan -- Every exquisite thing / by Cassandra Clare and Maureen Johnson -- Learn about loss / by Cassandra Clare and Kelly Link -- A deeper love / by Cassandra Clare and Maureen Johnson -- The wicked ones / by Cassandra Clare and Robin Wasserman -- The land I lost / by Cassandra Clare and Sarah Rees Brennan -- Through blood, through fire / by Cassandra Clare and Robin Wasserman -- The lost world / by Cassandra Clare and Kelly Link -- Forever fallen / by Cassandra Clare and Sarah Rees Brennan.