Seeded among the stars are troves of valuable artifacts left behind by the enigmatic, long-vanished alien race called teh Heechee. For the right price, anyone can climb aboard one of the abandoned Heechee spaceships, cast off on an autopilot voyage to parts unknown, and take a chance on fidning wealth... or facing death. Robinette Broadhead took that chance and walked away a winner. But at what cost? -- from book cover.
The story begins when the hero of Gateway finances an expedition to a distant alien spaceship that may end famine forever. On the ship, the explorers find a human boy, and evidence that reveals a powerful alien civilization is thriving on a transport ship headed right for Earth.... -- from Amazon.