With the Haurstaf decimated, the Unmer have seized the palace at Awl. The Unmer Prince Paulus Marquetta discovers an ally in the blind girl Ianthe, albeit a dangerous one. She has the power to destroy his mind with a single thought. But Ianthe's friendship with the Unmer has made her dangerous enemies.The exiled Unmer lord, Argusto Conquillas is determined to challenge the prince and his followers - and kill anyone who gets in his way. When the disgraced Gravedigger soldier Granger learns of his daughter's danger, he must use every scrap of his cunning to protect her.

Even that may not be enough as the Unmer, in their quest to unlock the secrets of the universe, have made a bargain with a god . . . a deal that threatens to destroy the world.

Scott Lynch has praised Campbell's work, saying he 'mingles action and atmosphere with the grace of a seasoned pro. Trudi Canavan has also called Campbell's work 'visually rich' and the Daily Telegraph compared him to China Mieville.

Praise for Book One, Sea of Ghosts: 'His invented world is one of the most bizarre, fascinating and dangerous it has been my pleasure to encounter . . . the story grips like a vice, filled with mystery and action' The Times