2 Cousteau HC Challenges of the Sea & Diving Companions

This auction is for two hardcover books with dustjackets by Jacques Cousteau published in 1974:

"Challenges of the Sea"-"How the ocean's natural forces influence our environment. The amazing story of man's search for control of the Sea published by The World Publishing Company in 1974-Stated First Printing. This book is 144 pages long with name stamp on inside cover, wear and minor tears on the dustjacket edges, tight binding, and beautiful color illustrations

"Diving Companions"-"Sea Lion-Elephant Seal with 126 photographs in full color. This book was published by Doubleday & Company in 1974-Stated First Printing. This book is 304 pages long with tears and tape repair at the top edge of the dustjacket, some tears on the edges of the dustjacket, waterstain on top edge of back cover and opposite page, tight binding, and beautiful color illustrations.