"Jeremy Robinson'sThreshold is one hell of a thriller, wildly imaginative and diabolical, which combines ancient legends and modern science into a non-stop action ride that will keep you turning the pages until the wee hours. Relentlessly gripping from start to finish, don't turn your back on this book!" --Douglas Preston, New York Times bestselling author ofImpact andBlasphemy

"WithThreshold Jeremy Robinson goes pedal to the metal into very dark territory.  Fast-paced, action-packed and wonderfully creepy!  Highly recommended!" --Jonathan Maberry,New York Times bestselling author ofThe King of Plagues andRot & Ruin

"Threshold is a blisteringly original tale that blends the thriller and horror genres in a smooth and satisfying hybrid mix.  With his new entry in the Jack Sigler series, Jeremy Robinson plants his feet firmly on territory blazed by David Morrell and James Rollins.  The perfect blend of mysticism and monsters, both human and otherwise, makeThreshold as groundbreaking as it is riveting." - Jon Land,New York Times bestselling author ofStrong Enough to Die

"Jeremy Robinson is the next James Rollins." - Chris Kuzneski,New York Times bestselling author ofThe Lost Throne andThe Prophecy

"Jeremy Robinson'sThreshold sets a blistering pace from the very first page and never lets up. This globe-trotting thrill ride challenges its well-crafted heroes with ancient mysteries, fantastic creatures, and epic action sequences. For readers seeking a fun rip-roaring adventure, look no further." --Boyd Morrison, bestselling author ofThe Ark