Green cloth-covered boards, gilt titles to spine and front board, frontis of portrait of Rennell, 232 pages, 8 pages of publisher’s catalogue to rear. In the Century Science Series. Small octavo in size. Condition: Boards rubbed and scuffed at joints, edges and corners, with other marks to front board. Age tanning to end papers, light foxing to margins. Previous owner’s name neatly to front paste down.