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"Big Investigation. Grab a Clue" is a colourful illustrated edition for young and inquisitive readers who like to solve mysteries together with the characters and are looking for adventure. Readers will enter the world of the High School of Detectives, where they will look for clues and investigate nine mysterious cases that occurred in different places: at a hockey game, at the Museum of Modern Art, on a cruise ship, in a shopping mall, at a party, at a concert, in a circus, on television, and in a biological laboratory.

As well as the stories, the book provides clues and detailed information about the characters, suspects, and their motives to help readers in their investigations. And at the end of the book, there is a prize waiting for you. What is it? Let's find out! Let's go on an investigation!