From a young age Chigozie Obioma knew he was going to be a novelist. But the moment he told his classmates, they laughed at him. “When I was in primary school it was a common question kids were asked—what do you want to be? I used to get laughed at. The class would just boom with laughter. It didn’t make any sense (to want that) because there was no such thing. I didn’t know anyone who was a writer,” he said. Kids would say they wanted to be a pilot or a lawyer or an engineer. Obioma wanted something very…