The Sleepwalkers Arthur Koestler
1964. First Edition Thus. 623 pages. Paperback book with pictorial cover. Slight cracking to binding, first page is loose. Pages are lightly tanned throughout. Water staining to some page edges, text remains unaffected. Pencil inscription to first page. Paper cover has mild edgewear with curling to corners. Light tanning to spine and edges with splits to spine edges.