A fun and exciting way for children to practise their counting skills, Colossal City Count will take readers on a journey around the world's most exciting destinations, from Tokyo and Venice, to Amsterdam, Istanbul and many more.

Inspector Metropolis and Constable Magnate are operating undercover on an incredibly important mission. They are trying to track down world-renowned villains in some of the busiest and most vibrant cities on the planet.

Your mission, should you choose to accept it, will take you on a whistle-stop tour of the globe. Can you help the police gather evidence at each crime scene by finding and correctly counting the clues in each city to help them crack the criminal case?

There are hundreds of things to add up and 18 different destinations to discover.