Threshold

It starts with a thunderous crack and a flash of light. Screams come next. Then the hunters. With a staccato flicker, the light disappears and everything within a hundred yard radius goes with it. A massive crater is all that remains where a chunk of the world has gone missing.

As the deadly phenomenon repeats and expands amidst the world's most densely populated cities--carving apartment buildings in half, scooping away entire city blocks, and claiming thousands of lives--Jack Sigler, Callsign: King and his black ops team take action. But the team is broken, spread across the globe and vulnerable. Scrambling to make sense of the violent disappearances and fighting to reunite, the team comes face-to-face with an otherworldly enemy capable of making the fearless...terrified.

Taking the battle to the ends of the Earth--and beyond--the team combats a savage enemy whose centuries-old plan for mankind has nearly reached fruition. If they fail, the planet will become little more than a fully stocked food cache for a creature whose presence heralds the beginning of Ragnarök--and the extinction of the human race.

PRAISE FOR ROBINSON and the JACK SIGLER THRILLERS

"Robinson blends myth, science and terminal velocity action like no one else."
-- Scott Sigler, NY Times Bestselling author of INFECTED and ANSCESTOR

"Just when you think that 21st-century authors have come up with every possible way of destroying the world, along comes Jeremy Robinson."
-- New Hampshire Magazine

"There's nothing timid about Robinson as he drops his readers off the cliff without a parachute and somehow manages to catch us an inch or two from doom."
--Jeff Long, NY Times bestselling author of THE DESCENT

"Jeremy Robinson is a fresh new face in adventure writing and will make a mark in suspense for years to come."
--David Lynn Golemon, NY Times bestselling author of LEGEND and EVENT

"Jeremy Robinson is an original and exciting voice."
--Steve Berry, NY Times bestselling author of THE EMPEROR'S TOMB

"With THRESHOLD, Jeremy Robinson goes pedal to the metal into very dark territory. Fast-paced, action packed and wonderfully creepy! Highly recommended!"
--Jonathan Maberry, NY Times bestselling author of ROT & RUIN

" [SecondWorld] is gripping, propelled by expertly controlled pacing and lively characters. Robinson's punchy prose style will appeal to fans of Matthew Reilly's fast-paced, bigger-than-life thrillers, but this is in no way a knockoff. It's a fresh and satisfying thriller that should bring its author plenty of new fans."
-- Booklist

"A brisk thriller with neatly timed action sequences, snappy dialogue and the ultimate sympathetic figure in a badly burned little girl with a fighting spirit... The Nazis are determined to have the last gruesome laugh in this efficient doomsday thriller."
-- Kirkus Reviews

" Relentless pacing and numerous plot twists drive this compelling stand-alone from Robinson... Thriller fans and apocalyptic fiction aficionados alike will find this audaciously plotted novel enormously satisfying."
--Publisher's Weekly

ABOUT THE AUTHORS

JEREMY ROBINSON is the author of seventeen novels including the highly praised, SECONDWORLD, as well as PULSE, INSTINCT, and THRESHOLD, the first three books in his exciting Jack Sigler series. His novels have been translated into ten languages. He lives in New Hampshire with his wife and three children.

KANE GILMOUR has visited or lived in over 40 countries around the world. A former rock climber and mountain biker, he now kayaks, and still explores the furthest reaches of the world, as time permits. His first two adventure thrillers in the Jason Quinn series, RESURRECT and FROZEN are available now. He lives in the wilds of central Vermont with his wife, son, and daughter.