A.H. & A.W. Reed, 1973 - first edition. Good second-hand condition.

The fascinating thing about the world's two polar ice-caps is their considerable dissimilarity. They share in common the savagely frigid temperatures, and there are similarities in bird and animallife, but in structure, history and resources they are vastly different...

Richard Perry, expert in both areas, has written a book that fills a longstanding need, and is required reading for anyone interested in the polar regions.