Robert A. Heinlein

Between Planets is a science fiction novel by Robert A. Heinlein, originally serialized in Blue Book magazine in 1951 as "Planets in Combat". It was published in hardcover that year by Scribner's as part of the Heinlein juveniles.

Beyond This Horizon is a science fiction novel by Robert A. Heinlein. It was originally published as a two-part serial in Astounding Science Fiction and then as a single volume by Fantasy Press in 1948.

Citizen of the Galaxy is a science fiction novel by American writer Robert A. Heinlein, originally serialized in Astounding Science Fiction and published in hardcover in 1957 as one of the Heinlein juveniles by Scribner's. The story is heavily influenced by Rudyard Kipling's Kim.