The Copper Gauntlet and The Bronze Key are part of the Magisterium book series, co-authored by Cassandra Clare and Holly Black. These fantasy novels are perfect for young adults and children aged 9-12 who enjoy thrilling adventures in magical worlds. Published by Random House in 2015, these paperbacks are a custom bundle that makes for a great addition to any book collection. With original English language and an unknown country/region of manufacture, these novels are a must-read for anyone who loves the fantasy genre.