Star Fleet productions, 1977. Soft cover. Good / No jacket. Item #2048496
Cover is worn, smudged, and scratched, particularly on the front cover. The bottom edge is bumped with the spine being tanned, not affecting legibility. Text block is tanned and foxed on the top edge, fore edge, and bottom edge, foxing being visible on some page margins throughout the book. Page 95 is smudged, but otherwise textbox and diagrams are bright and unmarked.