The book Kumeŭaŭa, la filo de la ĝangalo is about the life of Brazilian Indians. It tells the story of a young boy named Kumeŭaŭa who is raised by his grandfather in the Amazon rainforest. Kumeŭaŭa learns how to live in the jungle and how to survive in the harsh environment. He also learns about the culture and traditions of the Brazilian Indians.
Trekking Through Tibor Sekelj's Trail: A Quiz on the Life and Adventures of the Hungarian Author and Explorer