Tembo takes charge is likely a children's story featuring an animal protagonist named Tembo, which means "elephant" in Swahili. The story would center on the young elephant having to step up and assume a leadership role in a challenging situation, such as a drought, a danger to the herd, or an environmental problem. The narrative explores themes of responsibility, courage, and maturity, as Tembo learns what it means to lead and protect others. The book is likely set in an African wildlife context, teaching young readers about animal behavior and ecology through an engaging, character-driven plot.