The First Book of Codes and Ciphers

I cannot recommend this series enough, nor give it high enough praise:1. [b:A Great and Terrible Beauty 3682 A Great and Terrible Beauty (Gemma Doyle, #1) Libba Bray http://photo.goodreads.com/books/1284558475s/3682.jpg 2113193]2. [b:Rebel Angels 51428 Rebel Angels (Gemma Doyle, #2) Libba Bray http://photo.goodreads.com/books/1266459948s/51428.jpg 1696926]3. [b:The Sweet Far Thing 127459 The Sweet Far Thing (Gemma Doyle, #3) Libba Bray http://photo.goodreads.com/books/1266478069s/127459.jpg 3072872]