"Nadia dreams about being the first woman on Mars, but to get there, she must understand the science of spaceflight. Eleanor takes Nadia on a conceptual journey through an entire crewed mission to Mars and explains every challenge that must be overcome along the way. Although written in story format, this book is packed with facts, offering an introduction to the science and logistics of a manned mission to Mars, and explaining how scientists are working to overcome the complexities of interplanetary travel."--Provided by publisher.