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Bestselling author Robert A. Heinlein's autobiographical masterpiece—a wondrous return to the alternate universes that all Heinlein fans have come to know and love.Maureen Johnson, the somewhat irregular mother of Lazarus Long, wakes up in bed with a man and a cat. The cat is Pixel, well-known to readers of the New …

Time for the Stars is a science fiction novel by Robert A. Heinlein published by Scribner's in 1956 as one of the Heinlein juveniles. The basic plot line is derived from a 1911 thought experiment in special relativity, commonly called the twin paradox, proposed by French physicist Paul Langevin.

Time Enough for Love is a science fiction novel by Robert A. Heinlein, first published in 1973. The work was nominated for the Nebula Award for Best Novel in 1973 and both the Hugo and Locus Awards in 1974.