A gathering of tales from the daring mystery series volume 1. Stories starring The Fiery Mask, Soldier of Fortune: John Steele, The Texas Kid: Robin Hood of the Range, Monako: Prince of Magic, Flash Foster at Midwestern, "Doc" Denton, Phantom of the Underworld; Barney Mullen: Sea Rover, Zephyr Jones and his Rocket Ship, The Phantom Bullet, Trojak the Tiger Man, K-4 and his Sky Devils, Mr. E, The Laughing Mask, Dale of the F.B.I., Breeze Barton, The Purple Mask, The Phantom Reporter, Marvex the Super Robot, Captain Strong of the Foreign Legion, Whirlwind Carter of the Interdisciplinary Secret Service, and G-Man Don Gorman.