The Glass Magician is now available for pre-order in ebook and paperback formats through Amazon.com. The book is set to release from 47North on November 4, 2014. That means that if you pre-order both The Paper Magician and The Glass Magician, you could read the first two books in the trilogy within two months of each other!
Pre-order The Glass Magician (book 2) here.
Pre-order The Paper Magician (book 1, releasing September 1) here.