Deathworld is a science fiction novel by Harry Harrison, first published in 1960. The story is set on the planet Pyrrus, which is known for its deadly and unpredictable environment. The main character, Jason dinAlt, is a professional gambler who is invited to Pyrrus by a wealthy businessman named Kerk Pyrrus. Jason soon learns that the planet's hostile environment has caused the inhabitants to evolve powerful psychic abilities, allowing them to predict and manipulate events to their advantage. Jason becomes embroiled in a dangerous game of politics and power struggles as he tries to understand the planet and its people. He is eventually taken captive by the ruling class, who want to use his unique abilities to further their own agendas. In order to survive and escape from Pyrrus, Jason must use his intelligence, resourcefulness, and strategic thinking. He must also confront his own prejudices and assumptions about the planet and its people. The novel is a thrilling adventure with elements of political intrigue and social commentary. It explores themes such as the dangers of power and corruption, the nature of humanity, and the consequences of exploiting natural resources. Ultimately, Deathworld is a cautionary tale about the dangers of arrogance and the importance of respect for other cultures and ways of life.