This bumper book contains four exciting titles from Usborne's hugely popular GREAT SEARCHES series, bound together in one volume: THE GREAT CASTLE SEARCH, THE GREAT DINOSAUR SEARCH, THE GREAT HISTORY SEARCH and THE GREAT WORLD SEARCH Ages: 6+ .Every spread is packed with detail - there are over 100 objects to spot within each scene - and over 4,000 things to spot in the book overall. .In addition to being a puzzle book to pore over for hours on end, this is also an informative reference title, with snappy captions and fascinating facts featured throughout. .For those who find the searches a little too tricky, the answers to all the puzzles are provided at the back of the book.