Together on top of the world : the remarkable story of the first couple to climb the fabled seven summits : a saga of love and courage /
Ershler, Phil.
Ershler, Susan.
Simons, Robin.
New York : Warner Books,
2007.
Ershler, Phil.
Ershler, Susan.
Mountaineering.
Mountaineers
Mountains.
Continents.