Holt of the Secret Service

Cool government operative James Bond searches for a stolen invention that can turn the sun's heat into a destructive weapon. He soon crosses paths...

A deranged media mogul is staging international incidents to pit the world's superpowers against each other. Now James Bond must take on this evil...

A mysterious spacecraft captures Russian and American space capsules and brings the two superpowers to the brink of war. James Bond investigates the...

A master thief coincidentally is robbing a house where a murder—in which the President of the United States is involved—occurs in front...

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.

After the harrowing death of his partner, forensic psychologist and best-selling author Alex Cross cannot forgive himself and has retreated to the...

Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the...

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by...

Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of the Earth. Unfortunately for him, reporters...

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome...

After a treacherous attack, Secret Service agent Mike Banning is charged with attempting to assassinate President Trumbull. Chased by his own...