Almat
Wikipedia: https://en.wikipedia.org/wiki/Jove_Books
Pyramid Publications was created via a 1961 merger of Pyramid Books, Inc., and Almat Publishing Corp (see Pyramid Publications Makes Public Stock Offering, PW, Apr. 16, 1962, at 72-73). Pyramid Books is its most famous imprint (currently known as Jove Books, a name adopted by Harcourt Brace in 1974 upon purchase of the line). Other imprints included Royal Books (a line for women readers) and Worlds of Science, a science-centered paperback reprint line.
Pyramid Publications Makes Public Stock Offering, PW, Apr. 16, 1962, at 72-73.
Pyramid Management Regains Control, PW, Apr. 19, 1971, at 29.
HBJ to Buy Pyramid; Huttner to Continue Post, PW, Dec. 3, 1973, at 16-17.
HBJ Acquisition of Pyramid Completed, PW, Nov. 4, 1974, at 14.