The Ershlers were the first married couple in the world to climb the seven highest mountains and Whittaker was the first American to climb Everest. Two hardcover books: Together on Top of the World, signed on the title page by Phil and Susan Ershler; and A Life On the Edge, signed on a bookplate affixed to the half-title page by Jim Whittaker. In fine condition. RRAuction COA.
