Startling Comics #51

When a dying professor's final words point Tygra and Terry toward a legendary lost land hidden beyond a river of mysterious music, they must pursue a pair of ruthless treasure hunters into a jungle realm where prehistoric horrors still roam. As the jungle adventurers navigate ancient dangers and uncover why this forbidden world has been guarded in secret for generations, they discover that some treasures exact a price far steeper than gold.

A young woman enters a jalopy derby with a beat-up car and a secret weapon—jet propulsion hidden in homemade pipes—but her rivals have sabotaged her vehicle in ways she didn't expect. When the race begins, chaos erupts as her jalopy careens backward, stalls, and finally ignites into an uncontrollable speed burst that leaves everyone scrambling. It's a madcap tale of mechanical ingenuity, teenage rivalry, and the kind of outrageous contraption that only works by accident.

Master space detective Lance Lewis races against time when his exiled nemesis Carla the Magnificent surfaces on Venus, where she's orchestrated a deadly deception to turn the peaceful Venusians against Earth itself. With his companion Marna captured and an entire planet primed for invasion, Lewis must navigate Carla's schemes and expose her treachery before her conquest spirals beyond anyone's control. The Queen of Evil has never been more dangerous—or more determined to make good on her vow of vengeance.

Knucklehead Jones finds himself living in 17th-century colonial America, where his modern dreams of flying machines, automobiles, and clever inventions quickly mark him as a witch in the eyes of the suspicious townsfolk. When he's condemned to burn at the stake, his quick thinking and one more "20th century dream" might just save his hide—if the locals can be convinced he's something other than a sorcerer.