Not stated: Harper Collins, nd. Four hardbound volumes in a slipcase : uniformly bound in red cloth covered boards lettered in black on the spines and with an illustration in black on the top board; paper wrappers; illustrated slipcase; unpaginated; each volume is 93 x 68mm; slipcase measures 100 x 70mm. As new. Item #1472
First published in 1962, this fine, undated copy is most likely a reprint.