London, 1937: The Invisible Detective can solve any mystery, great or small - but no one's ever seen his face. Truth is, the detective is the creation of four extraordinary kids who combat crime in his name… London, today: Arthur Drake is not impressed by a publicity stunt. But if a celebrity wants to get lowered into the Thames in a glass box, that's his problem. Or is it? Soon Arthur discovers that it could spell disaster for millions of people. A Roman coin, a strange burglary, and a mysterious attack outside a graveyard. When Art and his friends investigate, they discover more than they bargained for - a missing treasure, a ghostly figure, the legend of a lost Roman legion. What has counterfeit money got to do with an ancient pagan spirit of darkness? Can they solve the mystery in time to avert disaster?
BOOK OF THE WEEK - Young readers will love this gorgeous picture book about a chilled capybara who just won't be rushed.
Can you solve the puzzles to save the Kingdom? Put your puzzle skills to the test with mazes, word games and codes to crack!
The second book in this popular series celebrating friendship, magic and fighting for what you believe in.
This is Book 8 in the Invisible Detective Series. See all Invisible Detective books here.
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Justin Richards is the Creative Consultant for the BBC's range of Doctor Who books, and has written a fair few of them himself. As well as writing for stage, screen and audio, he is also the author of The Invisible Detective and Time Runners series of novels for children, and Agent Alfie for younger readers.
As well as collaborating with thriller write
