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Jack Armstrong #7
In "Jack Armstrong Solves the Mystery on the Diamond," Jack Armstrong puts his newfound knowledge of currency forensics to the test when counterfeiters strike near Vic Hardy’s lab. With Vic’s guidance and a sharp eye for detail, Jack dives into a real-world mystery that turns his classroom lesson into a thrilling chase. The story, illustrated with crisp clarity by typeset lettering, captures the spirit of mid-century detective adventure.
