Mach's Legacy - Wormhole Series, #3

Mach's Legacy: A Novel The appearance of the shining globes at first was a nuisance. But then the disappearances began. At first small, a fusion ship or a space habitat. Then planets and entire planetary systems started "winking out". Could the famous physicist Elias Mach and his great-great granddaughter, Emmy Gibbs, find an answer before it was too late? Mach's Legacy is set in the future (2490s) and is the third novel in the Future Chron Universe: Wormhole Series. The Wormhole Series is a trilogy of novels set in the larger Future Chron Universe which consists of 33 volumes including 9 novels, 1 short novel, 15 novellas, and 8 short stories. Hard Science Fiction - Old School.