Softcovers presented in Slip Case, first Ballantine Books edition, 1820g, 1310 pages over two volumes. The complete chronicle of the life and works of Edgar Rice Burroughs, including an introduction by Ray Bradbury. Books are in good condition with mild general wear and tear and light page discolouration throughout. Slip case is in fair condition with heavy shelf wear and scuffing particularly to corners and edges though still well in tact, otherwise no other pre-loved markings.