Cover art by L. North. The Leopard Men, art by George Mandel; first appearance of Ted Crane; vs. The Leopard Men and Bullard. Marooned On Mercury featuring the Space Rovers, art by Max Plaisted. The Second Theseus featuring the Son of the Gods, script and art by George Mandel. The Knowles Case starring Dan Williams, art by Ray Lowry. On the Western Front starring Sgt. Bill King, art by Leonard Sansone. Mystery of the Lost Mine starring Masked Rider; vs. The Specter [Jim Sanford]. Theft of the Tank Plans starring Sphinx. The Mask Returns, art by Raymond Thayer; vs. Olly Snate and Otto Fox.