Sam is worried – he has a secret that he doesn't want anyone to know. He protects his secret until one day his teacher tells the class about a boy called Nkosi Johnson. When Sam learns how brave Nkosi was, he starts to feel that maybe he too will be brave enough to share his secret. For the best children's books, reach for the stars!. Sam is worried – he has a secret that he doesn't want anyone to know. He protects his secret until one day his teacher tells the class about a boy called Nkosi Johnson. When Sam learns how brave Nkosi was, he starts to feel that maybe he too will be brave enough to share his secret.