What's not to love about a kickarse magic wielding librarian and his firespider? 
 Already a huge fan of the first book in this series, 'Libriomancer', this did not disappoint, and added a few more characters and layers to this ongoing story. I love the fact that there's now a character who can magically retrieve objects from e-books, and looking forward to seeing where the author goes with this. 
 I really love the way different books are worked into the story - some are referenced, others provide Isaac with what he needs in the way of weapons and other such things. Having a blibliography at the end of the book makes me happy. Although this is Isacc's POV and written in first person, I liked the way the author opened each chapter with Lena's POV. It balanced Isaac's and also gave good insight into not just Lena's character but others too. 
 Roll on book 3, sooner rather than later with the way this one ended.