From Orson Scott Card, the author of Ender's Game comes a 384-page omnibus edition containing the first two books of an all-ages manga series

Out of deep space, a mysterious alien race known as "The Givers" came to Earth. They gave the human race the greatest technology ever seen--four giant towers known as Ladders that rose 36,000 miles into space. Each tower culminated in a space station that harnessed the energy of the Sun to power the entire planet. As suddenly as the Givers arrived, they vanished, leaving the human race with one solemn instruction: maintain and...