Race to Planet Earth

In their fourth and final outing, Bradley and Grandpa follow a trail of clues - left (or so it seems!) by the Old Ones of the Universe. On their most dangerous quest to date, they visit the Jaws of Neptune, the Great Red Spot, and the surface of the sun itself...Praise for The Astronaut's Apprentice: "A hoot... will leave you sitting on the edge of your seat AND laughing. Recommended."--www.thebookbag.co.uk