A London Times and New York Times best-selling author, Lady Colin Campbell's several ground-breaking books on the British Royal Family include Diana in Private: The Princess Nobody Knows (1993), The Real Diana (2004), The Untold Life of Queen Elizabeth The Queen Mother (2012), The Queen's Marriage (2018); People of Colour and the Royals (2019) and Meghan and Harry: The Real Story (2020).

Robert Dugoni is the critically acclaimed New York Times, Wall Street Journal, and Amazon bestselling author of the Tracy Crosswhite Series, which has sold more than 4 million books worldwide.

He is also the author of the bestselling David Sloane Series; the stand-alone novels The 7th Canon, Damage Control, and The Extraordinary Life of Sam Hell, for which he won an AudioFile Earphones Award for the narration; and the nonfiction expose The Cyanide Canary, a Washington Post Best Book of the Year. He is the recipient of the Nancy Pearl Award for Fiction and the Friends of Mystery Spotted Owl Award for best novel set in the Pacific Northwest.

He is a two-time finalist for the International Thriller Award, the Harper Lee Prize for Legal Fiction, the Silver Falchion Award for mystery, and the Mystery Writers of America Edgar Award. His books are sold in more than twenty-five countries and have been translated into more than two dozen languages.

Paul Finch is a former cop and journalist, now turned full-time writer.

He cut his literary teeth penning episodes of the British crime drama, The Bill, and has written extensively in the field of film, audio drama and children's animation.

He is also well known for his work in the thriller and horror fields. Paul lives in Lancashire, with his wife Catherine and his children, Eleanor and Harry.

Catriona McPherson was born in the village of Queensferry in south-east Scotland in 1965 and educated at Edinburgh University. She left with a PhD in Linguistics and spent a few years as a university lecturer before beginning to write fiction.

The first Dandy Gilver novel was short-listed for the CWA Ellis Peters Historical Dagger 2005 and the second was long-listed for the Theakston's Crime Novel of the Year Award 2007.

In 2012 Dandy Gilver and the Proper Treatment of Bloodstains was nominated for a Historical Macavity Award. Catriona writes full-time and divides her time between southern Scotland and northern California.