Out of the Cradle is a book written by astronomer and science-fiction author Robert Forward. It is a science-fiction story about two humans from Earth who set out to explore a distant star system and make contact with the intelligent species that lives there. The story follows the two humans, Roger and Sarah, as they try to understand the strange new world they find themselves in, and make connections with the other aliens living in the system. In the end, the two are able to save the day and prove the value of friendship and understanding between different kinds of people. Out of the Cradle is a classic tale of adventure, struggle, and discovery that will excite anyone looking for science-fiction action!