Hardcover. London, Frederick Muller Ltd, 1st, 1956, Book: Good, Dust Jacket: None, 206 pages. No dust jacket. Blue cloth. Contains black and white and color illustrations. Well bound and clean pages, with moderate tanning to text block edges. Light tanning to free endpapers. Boards have moderate shelf wear, with rubbing and marking. Light bumping to corners and moderate crushing to spine ends. Book has noticeable backward lean, with heavy sunning overall. A exploration of the Great Barrier Reef.