Paul Williams is Ireland's leading crime writer and one of its most respected journalists. For over three decades his courageous and ground-breaking investigative work has won him multiple awards. He is the author of ten previous bestselling books and has also researched written and presented a number of major TV crime series.

His first book The General was adapted for the award-winning movie of the same name by John Boorman. He is a former presenter on Newstalk Breakfast and currently writes for the Irish Independent. Williams holds an A in Criminology and is a registered member of the International Consortium of Investigative Journalists based in Washington DC.

David Bowles is the award-winning Mexican American author of They Call Me Guero and other titles for young readers.

Because of his family's roots in Mexico, he's traveled all over that country studying creepy legends, exploring ancient ruins, and avoiding monsters (so far). He lives in Donna, TX.,