This is the account of a journey to the holiest mountain on earth, the solitary peak of Kailas in Tibet, sacred to one-fifth of humankind. To both Buddhists and Hindus it is the mystic heart of the world and an ancient site of pilgrimage. It has never been climbed. Even today, under Chinese domination, the people of four religions circle the mountain in devotion to different gods. Colin Thubron reached it by foot along the Karnali River, the highest source of the Ganges.
Days after winning OASIS Founder James Halliday's contest, Wade Watts makes a discovery that changes everything. Hidden within Halliday's vaults, waiting for his heir to find, lies a technological advancement that will once again change the world and make the OASIS a thousand times more wondrous - and addictive - than even Wade dreamed possible. With it comes a new riddle and a new quest - a last Easter egg...