This edition is one of the Science Fiction Book Club's uniform series of Science Fiction Classics, which issued five volumes each spring from 1978 -

Condition - Very Good
The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.

Ringworld

This edition is one of the Science Fiction Book Club's uniform series of Science Fiction Classics, which issued five volumes each spring from 1978 - 1981.

Ringworld