Agent Nine and the Jewel Mystery 1935 Graham M. Dean Vintage Spy Novel Hardcover

1935 hardcover edition of Agent Nine and the Jewel Mystery by Graham M. Dean, a pulp-style espionage novel following thrilling G-Man exploits. Published by The Goldsmith Publishing Company (Chicago), this vintage book includes 252 numbered pages and measures 7.5" x 5". Part of the Agent Nine series, it’s a classic youth mystery from the 1930s adventure genre. Cover has moderate soiling and edge wear. Spine is intact but shows some darkening and bumping at the top. Pages are age-toned with some light edge brittleness. Some minor separation of the spine. See pictures for further details on condition.