NEW : Writer remembers Achebe for his generosity , humility and guiding presence . Jacob Zuma wrote one books . South Africa 's 's president hails him as a `` globally acclaimed writer , scholar , cultural icon , nationalist '' Nigeria Jacob Zuma mourns the loss of a `` colossus of Anglican writing ''
NEW : Writer remembers Achebe for his generosity , humility and guiding presence . Chinua Achebe wrote more than 20 books . Nigeria 's president hails him as a `` globally acclaimed writer , scholar , cultural icon , nationalist '' South Africa 's Jacob Zuma mourns the loss of a `` colossus of African writing ''