1969. First Edition. 205 pages. No dust jacket. This is an ex-Library book. White pictorial boards. Book has been rebound by library, with expected inserts, stamps and inscriptions. Contains fold out tables. Tables in poor condition, with tears and tape repairs. Pages are lightly tanned and thumbed at the edges, with light foxing. 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. Moderate tanning to spine and edges. Boards are notably bowed. Book has a prominent forward lean. Moderate water marks to boards and spine.