Tyler Christopher

Thor’s villainous brother Loki has escaped Asgard to search for Yggdrasil — The Tree of the Nine Realms. The tree holds the power of the ...

As a megaquake threatens San Francisco, a series of foreshocks wreaks havoc across the city. Now, an elite team of emergency service and disaster ...

When a super-volcano threatens the island of Hawaii, a team of rescue and disaster experts who are called in to help must race against the clock ...

When a devastating winter storm freezes over the whole of North Carolina, climatologists and disaster relief experts are called in before the ...