Boys' and Girls' March of Comics #320

In "Primitive Peril," the Robinsons venture into a mysterious, Earth-like lost world where they encounter a tribe of primitive humanoid aliens and must confront a towering, upright-walking reptilian monster. Written by Gaylord Du Bois and brought to life with dynamic art by Dan Spiegle—both pencils and inks—this 1968 adventure from Western Publishing delivers a classic sci-fi tale with vivid colors by the Western Publishing Production Shop and crisp lettering by Rome Siemon. The cover, by George Wilson, captures the thrilling moment of danger with bold, expressive lines.