Zarkass, protectorate distant from Earth. Everything was fine until the day appeared Triangles seeking to evict the Earthlings. Who are these triangles, a name given because of the shape of their ships? But the Terrans have managed to shoot one. He fell in the jungle. An expedition sets out to find. Another simple idea: an expedition in a forest, but gradually the novel takes on another dimension culminating in a mind-blowing and grand final. Wul the talent found in the exotic jungles descriptions, his poetry, his imagination without limits. Another successful.