An unbreakable cipher, a dead priest with expensive shoes, a hermit who converses with saints, an angry French girl, and much more might stop an ordinary fifteen-year-old safe-cracking genius, but not Percy St.-John.

Binding: Hardback;212 pages; Publisher: Histria LLC; Classification: Children?s / Teenage fiction and true stories; Weight: 462 g; Dimensions: 158 x 236 x 22

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