Originally published in the United Kingdom in 2015 by Hot Key Books.
Summary:
"Danny thinks he's left magic and mystery behind, but Sammael, a creature of terrible imagination, refuses to let him go. A strange new girl, Cath, enters Danny's world, bringing with her a message: Danny's cousin Tom has sold his soul to Sammael. It's up to Danny and Cath to find Tom and stop Sammael, who seeks to destroy humankind once and for all"-- Provided by publisher.
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