Published in 2013, Hilary Crystal’s debut techno-fantasy novel is now available through the Crystal Books Project.__'A truly enthralling story ... The style of writing is refined, engrossing, and keeps you on tenterhooks throughout.' (Huffington Post)__'From start to finish, I found it impossible to put down. It is thoroughly a great book.' (Harry, aged 13) __David Crystal's Glossary provides extra help for young learners whose mother-tongue is not Englsh. __NOTE: The e-book you purchase can be read on most eReaders. If you have a Kindle device you will need to select the Mobi file to download after you have paid for your e-book, but for any other device please download the normal ePub file.