Gregory, JW. (1921). The Rift Valley and Geology of East Africa. London: Seeley, Service & Co. 1st edition. 479pp. HB.
Gregory, JW. (1921). The Rift Valley and Geology of East Africa. London: Seeley, Service & Co. 1st edition. 479pp. HB. Black cloth-covered boards, with green lettering and decoration to spine and cover. Bumped and worn, binding loose, but hinges intact. Previous owner label. Text age-toned, with very occasional foxing. 3 fold-out b/w small scale maps worn on folds. In fair to good condition.