A thrilling adventure story set in the world of mummies and tombs, pharaohs and pyramids: ancient Egypt.     Josh and Maisie are two adventure-loving children who discover a mysterious, small door at the back of their Granddad's bookcase. On turning a key, the magic Time Key, they squeeze through—and find themselves in a whole new world, back in time.   Read about the children's amazing exploits as they uncover a plot to steal Pharaoh's treasure. But tomb-robbers are dangerous men...    Not just an adventure story, this lavishly illustrated title, suitable for children aged 7-11, also has detailed factual information about life in Ancient Egypt, the Nile, farming, pyramids, hieroglyphs, gods and goddesses, Tutankhamun, temples and a glossary of terms.    Created by Q-files.com, the great online illustrated encyclopedia: the comprehensive, in-depth, expert-verified educational resource for children aged 8-13.