| Berkley Pub Group, August 4, 2015, cover price $26.95 | About this edition:
NEW FROM THE AUTHOR OF WHITE PLAGUEMarine doctor and bio-terror expert Joe Rush returns in an electrifying new arctic adventureâ¦Â "sure to wow fans of Michael Crichton and James Rollins" (Mark Greaney, #1 New York Times bestselling author of Tom Clancy Full Force and Effect).
| Berkley Pub Group, May 3, 2016, cover price $9.99 | About this edition:
From the author of White Plague comes the second Joe Rush novel.
| Unabridged edition (Penguin/Highbridge, August 4, 2015), cover price $40.00