'Agent Harrier must discover the identity of a top-secret file-stealing traitor in the BARK intelligence agency. But something's happening to the book itself . . . whole pages are repeating, and there's an ink-deleting weapon threating to wipe everything out! What's going on? And will Agent Harrier sniff out the rat before he's TOTALLY AND PERMANENTLY ERASED? This stylish graphic novel is a funny, punny twist on the traditional spy caper. The second instalment of the Agent Harrier series by award-winning illustrator Ben Sanders (Clive Penguin), featuring books that can be enjoyed in any order. Perfect for readers transitioning from picture books!' (Publication summary)