Signed book: Jack Johnson—In The Ring—And Out. First edition. Chicago: National Sports Publishing Company, 1927. Hardcover with dust jacket, 5.5 x 7.75, 259 pages. Vertically signed and inscribed on the first free end page in fountain pen, "To my pal Gilbert R. Cox, good luck, From Jack Johnson." In very good to fine condition, with light staining to the signed page, and cracking to the hinges. An uncommon and desirable format from the great heavyweight champ. Pre-certified PSA/DNA.