

Metamagical themas: questing for the essence of mind and pattern.
Hofstadter, Douglas. - ID: 9684
Softcover, xxviii+852pp., 15x23.5cm., ills. in b/w., in fair condition (traces of use, title on spine faded, corners slightly bumped). ISBN: 9780140085341. 15x23cm 852 pp.
Penguin 1987 London