London: Nature, 1954. First Edition. 599-1246 pp. viii, 1208. 8vo. Green buckram library bindings with gold embossed titling to spine. Ex-library with library stamps and sticker on front paste-down, clean inside.
The 'sliding filament' theory of how muscles function; their theory is "the foundation of modern understanding of muscle mechanics" (Wikipedia). Hugh Huxley (1924-2013) and Jean Hanson's (1919-1973) work "uncovered the finer processes involved in muscle contraction and is regarded as revolutionary -- a milestone in muscle research." (BBC Health).