What really happened to Ricky - and how much does new girl Angela know? Theo needs to find the answers before it's too late . Whoever is behind them wants something badly - and they'll stop at nothing to get it . They're determined to get to the bottom of it all - but that could prove to be much more dangerous than they think .

Binding: Paperback;400 pages; Publisher: Penguin Random House Children's UK; Classification: Children?s / Teenage fiction and true stories; Weight: 342 g; Dimensions: 197 x 130 x 25

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