G.P. Taylor 
Shadowmancer [EPUB ebook] 

Shadowmancer takes you into a world of superstition, magic and witchcraft, where the ultimate sacrifice might even be life itself. Obadiah Demurral is a sorcerer who is seeking to control the highest power in the Universe. He will stop at nothing. The only people in his way are Raphah, Kate, Thomas and the mysterious Jacob Crane. Packed full of history, folklore and smuggling, Shadowmancer is a tale of an epic battle that will grip both young and old. The thrills, suspense and danger are guaranteed to grab the attention and stretch imaginations to the limit.