Hillary & Norgay: To the Top of Mount Everest (In the Footsteps of Explorers)
Heather Whipple · Crabtree Publishing Company · 2007
Wikipedia
{{cite book |last=Whipple |first=Heather |title=Hillary & Norgay: To the Top of Mount Everest (In the Footsteps of Explorers) |publisher=Crabtree Publishing Company |year=2007 |isbn=9780778724186}}