William Ritter

In this NYT bestselling series for fans of Doctor Who and the MCU, Sherlockian detective R. F. Jackaby and his assistant, Abigail Rook, will take…

This standalone adventure set in the world of the New York Times bestselling Jackaby series brims with humour, heart, and-of course-a hefty dose of supernatural…

In the second instalment of the New York Times bestselling series, detective of the supernatural R.F. Jackaby and his assistant Abigail Rook follow a case…

Abigail Rook and her eccentric employer R.F. Jackaby dive into the cold case of their own resident ghostly lady to solve her decade-old murder in…

In the action-packed fourth book in the New York Times bestselling Jackaby series, a supernatural detective and his indispensable assistant, Abigail Rook, are plunged into…

This thrilling novel from the author of the New York Times bestselling paranormal mystery Jackaby series pits R.F. Jackaby, an investigator of the unexplainable and…

The third adventure in the beloved fantasy series full of folklore and mayhem, from the creator of Jackaby. Brothers Cole and Tinn are determined to…

Human-raised brothers Tinn and Cole join forces with Fable, daughter of the Queen of the Deep Dark, to stop the fighting between the people of…

“Funny, exciting, and ultimately epic. Wow. I can’t wait for the next one.” —Adam Gidwitz, author of the New York Times bestseller A Tale Dark…

The first book in the New York Times bestselling paranormal mystery series pits R.F. Jackaby, investigator of the unexplainable, and his new assistant, Abigail Rook,…