Pyramid Books / Jove Books

Jove Books, formerly known as Pyramid Books, is an American paperback and eBook publishing imprint, founded as an independent paperback house in 1949 by Almat Magazine Publishers (also known as Almat Publishing Corporation) (Alfred R. Plaine and Matthew Huttner). The company was sold to the Walter Reade Organization in the late 1960s. It was acquired in 1974 by Harcourt Brace (which became Harcourt Brace Jovanovich) which renamed it to Jove in 1977 and continued the line as an imprint. In 1979, they sold it to The Putnam Berkley Group, which is now part of the Penguin Group.…Wikipedia