Hardcover in very good condition; jacket in good condition. Facsimile reproduction of the Annual Progress Reports on Radioactivity from 1904 to 1920 to the Chemical Society. The jacket is worn on the edges and leading corners, with one or two nicks. Bumps to the jacket and hardcover spine ends. A few minor marks on page block. Previous owner's name penned on FEP. Pages are clean and sound; all content is clear. Edited with commentary by Thaddeus J. Trenn. CM