CHALLENGER DEEP #4

by Andrew Cosby, Andy Schmidt & Chee The clock is ticking. A nuclear submarine sits atop an underwater glacier of methane ice, enough to crack the world in half if it's not rescued in time. Here's a last issue spoiler - the Earth doesn't actually end up cracked in half. You, however, will be on the edge of your seat, thanks to writers Andrew Cosby, creator of the hit Sci-Fi Channel show Eureka, and Andy Schmidt!