High Quality Content by WIKIPEDIA articles! Bantam Books is an American publishing house owned entirely by Random House, the German media corporation subsidiary of Bertelsmann; it is an imprint of the Random House Publishing Group. It was formed in 1945 by Walter B. Pitkin, Jr., Sidney B. Kramer, and Ian and Betty Ballantine. It has since been purchased several times by companies including National General and, most recently, Random House.