There is no doubt in Thomasina Elliott's mind that her oldest schoolfriend is a creature of habit. So when, after three years of regular correspondence, Anna's letters suddenly stop, she becomes concerned. And even more so when it transpires that her friend has disappeared without trace, in extremely odd circumstances.
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...