The Heechee are an advanced alien race that visited the Solar System hundreds of millennia ago and then mysteriously disappeared.
Individuals and groups are allowed to depart on these ships, risking (and often losing) their lives in the hope of finding something at their unknown destination that will make them rich.
[4] A German-language edition of the first three novels was published 20 years later as "The Gateway Trilogy": Die Gateway-Trilogie (Munich: Heyne Verlag, 2004).
[5][6] On January 6, 2019; Skybound Entertainment announced that they have reached an agreement to option Frederik Pohl’s 1977 science fiction novel, Gateway.
[8] Publishers Weekly stated that "Since it began with the novel Gateway (1977), Pohl's Heechee series has been among the most consistently daring of SF's continuing enterprises".