Ho Malone, Chicago detective, and his able colleagues specialize in cases that require expertise in physics and technology in 2040s London.
International Planetary Transport contacts Malone and his Quantum Detectives to investigate the disappearance of Joe Roy Peabody, better known as Helvis, the greatest entertainer of the day, lost while traveling to the mining city of Dis on Mars to perform a benefit concert for the miners.
His transport ship, owned and operated by IPT, has v.