Books in the Jack Sigler Thriller series

From bestselling authors Robinson and Gilmour, Ragnarok is the fourth full-length novel in the action-packed Jack Sigler/Chess Team series!

Heart-pounding action combines with adrenaline-charged suspense in the first of international bestselling author Jeremy Robinson's smart, sharp series featuring the Chess Team.

International bestselling author Jeremy Robinson pulls no punches in his second installment of the Jack Sigler / Chess Team series, combining adrenaline-rush action with smart science, ancient legends, and stunning locations.

International bestselling author Jeremy Robinson's third book in the Jack Sigler series is a rocket-powered thriller, combining high-adrenaline action, smart science, ancient legends, and stunning locations.