"The Business of Gravity" is an exciting science fiction book from the famous author James E. Gunn. In this novel, the author unfolds before the reader a unique alternate reality where gravity can be controlled and used to solve various tasks and challenges. The main character of the book is a scientist who decides to develop a new technology that can change the world forever. However, he has to go through many trials, face betrayal and enemies in order to realize his dream of rethinking the laws of physics. "The Business of Gravity" is a book that combines science, technology and adventure, fascinates with its unpredictability and interesting plot. For fans of science fiction, this book will be an exciting discovery, as it offers a deep thought about the future and the possibilities of humanity in the face of great challenges.