Alexander X. Hutchinson

Based on the novel by Edgar Rice Burroughs, a US soldier finds himself inexplicably transported to Mars in the midst of a war between two alien races.

Shipwrecked castaways stumble upon the mysterious island of Caprona in the Bermuda Triangle, confronting man-eating dinosaurs and a stranded ...

The California coast is terrorized by two enormous prehistoric sea creatures as they battle each other for supremacy of the sea.