A suspenseful sci-fi escapade plucks two children out of the ocean for a thrilling adventure. Thirteen-year-old Aluna has lived her entire life under the ocean

Breathtaking images of our planet from a drone's eye view / Featuring images by renowned photographers like Michael Poliza, George Steinmetz, Cameron Davidson,

Gen and her twin brother, Jack, were raised with their mother's tales of life in the World Above. Gen is skeptical, but adventureous Jack believes the stories--

Shares photographs and details of the author's experiences in space.