The crust of the earth /
by V.A. Firsoff. With drawings by the author.
- London : Weidenfeld & Nicolson, 1962.
- 143 p. : illus. 19 cm.
- The Young enthusiast [library] The Young scientists series, 7 .
- 7. Young enthusiast library. .
Stamped on t.p.: Distributed by Sportshelf, New Rochelle, N.Y.