The kinetically gifted, trained in mind/machine gestalt, are the most valued citizens of the Nine Star League. Using mental powers alone, these few Prime Talents transport ships, cargo, and people between Earth's Moon, Mars' Demos and Jupiter's Callisto.

For an overpopulated Earth, whose resources are strained to the breaking point, there is only one place to look for relief: straight up. With the successful completion of the Padrugoi Space Station, humanity has at last achieved its first large-scale permanent presence in space. Additional bases are feverishly being built on the Moon and on Mars, stepping-stones to the greatest adventure in all history.

On the beautiful planet Pern, colonized for centuries, Land Holders and Craftsmen have traditionally tithed food and supplies to the dragonweyrs to which they are bound. In times past, the mighty telepathic dragons and their riders were the only protection from the dreaded, life-threatening Thread. Now those times may be returning....

In this sequel to Ride the Pegasus, McCaffrey continues the story of the Talents — psionic beings who were once feared and despised, but have become necessary to the comfort and conduct of society.

Killashandra Ree has spent ten grueling years in musical training, anticipating interstellar celebrity as a vocal soloist. She is young, beautiful—and still without prospects. After learning that a flaw in her voice will prevent her from singing lead, she hears of the mysterious Heptite Guild on the planet Ballybran, where the fabled Black Crystal is found. Mining this strange form of crystal is a dangerous occupation but to Killa, the risks are acceptable. Remarkably, her adaptation to crystal mining is unusually easy. The problem is—few people who land on Ballybran ever leave.