Paratime Police Books in Order

British diplomat Benjamin Bathurst steps around a team of horses and enters a world whose history contradicts everything he knows. Letters and official reports follow the authorities’ attempts to explain this bewildering stranger and his claims.

An escaped Venusian nighthound stalks livestock on a twentieth-century Earth. Paratime Police operative Verkan Vall must destroy the dangerous creature before its discovery reveals the existence of travelers who move secretly between parallel versions of history.

In a parallel society where reincarnation can be scientifically investigated, researcher Hadron Dalla’s discoveries threaten established political beliefs. Verkan Vall enters a world of professional assassins and competing factions to find her and protect the Paratime secret.

Travelers exploiting an alternate world use staged religious miracles to secure mining rights. When workers fall into a king’s hands, Verkan Vall must intervene before interrogation exposes the technology that allows the outsiders to cross between timelines.

Verkan Vall and Hadron Dalla postpone a holiday when the Paratime Police uncover evidence of slavery in the Esaron Sector. Their investigation follows criminals whose trade across parallel worlds threatens both its victims and the secrecy of Paratime travel.

Pennsylvania state trooper Calvin Morrison is accidentally carried into a parallel North America divided into warring kingdoms. His knowledge of gunpowder and military tactics challenges a priesthood’s monopoly as he helps the threatened principality of Hostigos.

Six stories and novellas follow journeys between parallel worlds, including He Walked Around the Horses, Police Operation, and Time Crime. Piper’s travelers and investigators confront dangerous intrusions, criminal exploitation, and the need to keep their technology secret.

This collection includes Genesis, He Walked Around the Horses, Police Operation, Last Enemy, Time Crime, and Temple Trouble. Across alternate histories, displaced people and Paratime investigators encounter alien threats, slavery, religious manipulation, and the dangers of crossing worlds.

John F. Carr’s new stories join selected Paratime tales by H. Beam Piper. Missing travelers, a long-lost conveyor, and unusual ways of crossing timelines expand the problems faced by Verkan Vall and the police protecting interworld travel’s secret.