Christopher finally uncovers the Raven’s identity in this sixth novel of the award-winning Blackthorn Key series. The stakes are higher than ever when the Raven sets Christopher up for a horrible crime, leading him to be locked away in London’s most notorious prison. This terrible act is the first in a series of games the Raven plans to play with Christopher…games that are as dangerous as they are challenging. Once free from prison, Christopher, Tom, and Sally engage in a cat and mouse game with the Raven that takes them all over London. Can Christopher outwit the Raven one final time and finally unmask him? And what price might he have to pay to achieve that? This is the thrilling conclusion to the Blackthorn Key series that fans have been waiting for!

Christopher, Tom, and Sally engage in a dangerous cat and mouse game with the Raven as Christopher attempts to finally unmask him.

"This is what would happen if a trainee James Bond was asked to solve an Agatha Christie mystery, and it's brilliant." —Stuart Turton, bestselling author of The 7½ Deaths of Evelyn Hardcastle The raven had struck. And the thing was, she knew exactly who was next… London, 1960. Marion Lane, a twenty-five-year-old apprentice detective at the elusive Miss Brickett’s Investigations & Inquiries, is busier than ever and determined to prove herself worthy of an official Inquirer badge. But when her close friend's girlfriend, Darcy, is targeted by a dangerous gang leader and seeks out the Inquirers’ assistance, Marion cannot help but get involved. Just when Marion thinks she has the situation under control, Darcy disappears and the agency receives a package containing a dead raven. Everyone is puzzled by what the threat could mean, except for Marion. She recognizes it as the same calling card left on her mother's doorstep just before she died. With harrowing twists and turns, Marion Lane and the Raven's Revenge follows Marion’s most personal case to date. To uncover who is behind these ominous packages and find Darcy, she must piece together how they are related to her mother’s mysterious death and secretive past.

Katherine Anne Welles lives a life of duty and obligation, but marrying her villainous neighbor is out of the question. So, she defies her father and risks all by fleeing in the arms of a wounded highwayman, even though she distrusts his offer of help. Nicholas Montford, the exiled Earl of Ashton, returns to England determined to reclaim his family lands. As a highwayman called the Raven, he takes revenge upon the Puritans who thrived while his family suffered. But when he kidnaps heiress Katherine Welles, thoughts of revenge take second place.

When Andy goes kayaking at Greystone Grange, he discovers that real life can be a lot scarier than bad dreams.

"The Graffix series are graphic novels for 9-12 year olds written by well-known authors. Pacy, well-plotted texts are integrated with black and white illustrations on every page, using comic strip conventions."