3 copies: Signed Limited First Edition, No. 250 of 500 copies, signed by Heinlein on the limitation page, specially bound in full maroon cloth, stamped in gilt, slipcase. Holt, Rinehart and Winston. * First Trade Edition, cloth-backed boards, pictorial jacket. Holt, Rinehart and Winston. * First British Edition, blue boards, pictorial jacket. New English Library.