To the rest of the world, Nelson Mandela was a giant: an anti-apartheid revolutionary, a world-renowned humanitarian, and South Africa's first black president. To Ndaba Mandela, he was simply "Granddad." In Going to the Mountain, Ndaba tells how he came to live with Mandela shortly after he turned eleven--having met each other only once, years before, when Mandela was imprisoned at Victor Verster Prison--and how the two of them slowly, cautiously...