1970. First American edition. Unpaginated. No dust jacket. Green and blue pictorial boards with a cloth spine. Inscription to front endpaper. Pages are clean and bright, and appear almost good as new. With minimal tanning throughout. Binding has remained firm. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed. Light tanning to spine and edges.