The crew and passengers of an aircraft suddenly find themselves falling through the air- with their aircraft suddenly disappearing and so begins an amazing adventure as they shrink through worlds within worlds. How small can they get? And can they return to their normal size? In this colourful book there are a dozen double page spreads, each one a highly detailed look at another world. There are puzzles to solve and many things to discover. This is the hardback version of the book with 36 pages.