"Popular works"@en . "Popular works" . . . . "Travellers in space and time"@en . "Travellers in space and time" . . . . . . "What if it were possible to go on a journey through the Universe? Imagine we are able to transfer ourselves to a planet inside the Andromeda Spiral, a system so remote in space that it looks like nothing more than a dim glow from Earth, what would we and an Andromedan see? What better way to find out than to make a journey through space with the author fastening ourselves to a light beam." . . . . . . "Travellers in Space and Time" . . . . "Astronomy Popular works." . . . . "Space flight Popular works." . .