Biology and the Exploration of Mars:

Washington: National Academy of Sciences-National Research Council, 1966. First edition (presumed; no earlier dates stated). Red octavo, gilt to spine, xv, 516 pages, b&w illustrations; 24 cm. Ex-library book with two markings (numbers and letters taped to spine and ownership stamp to front free endpaper), faint mark to fore-edge and rear board, extremely mild rubbing to spine head and foot, extremely gently bumped and rubbed corners, bright pages in tight binding, else Very Good(+). No DJ. Hardcover.

Life on other planets, Biochemistry.