A small, crooked evergreen tree is sad and lonely when the other trees are cut down to be taken indoors at Christmas, but new friends help him feel special, too.

Have you ever looked up and wondered what's going on high up in the skies above your eyes? Take a journey up into the air, through the atmosphere, way out into space, and back down to Earth in this richly illustrated concertina book. Zoom past the technology that fills our skies, from helicopters, fighter jets, weather balloons, to satellites, hang-gliders, and hot-air balloons. Discover the insects and animals that whizz through the skies, explore...