"Astounding is the landmark account of the extraordinary partnership between four controversial writers--John W. Campbell, Isaac Asimov, Robert A. Heinlein, and L. Ron Hubbard--who set off a revolution in science fiction and forever changed our world"--

In this thematic sequel to Gregory Benford's award-winning bestseller Timescape , a history professor finds that he is able to travel back to 1968, the year he was sixteen--here, he finds a slew of mentors with the same ability, including Robert Heinlein, Albert Einstein, and Philip K. Dick.

Set on the future earth. Johnny Rico is a young student dating a girl named Carmen. When Carmen decides she wants to become a citizen by joining the military, Johnny follows and joins as well. He soon realizes that he joined for the wrong reasons. Just as he is about to quit, an asteroid that originated from the orbit of planet Klendathu hits Buenos Aires and kills his family. From the bridge of the Fleet Battlestation Ticonderoga to the descolate...

Robert A. Heinlein (1907-1988) is widely considered the greatest American science fiction writer of the 20th century. A famous and bestselling author in later life, he started as a navy man and graduate of Annapolis who was forced to retire because of tuberculosis. A left-wing politician in the 1930s, he became one of the sources of Libertarian politics in the USA in his later years. His most famous works include the Future History series (stories...