Puzzling questions about the solar system /
Gardner, Martin,
Puzzling questions about the solar system / Martin Gardner ; drawings by Ted Schroeder. - Mineola, N.Y. : Dover Publications, 1997. - 96 p. : ill. ;
Rev. and enl. ed. of: Space puzzles. 1971. Includes index.
0486294404 (pbk.)
Solar system
51:523 / GAR
Puzzling questions about the solar system / Martin Gardner ; drawings by Ted Schroeder. - Mineola, N.Y. : Dover Publications, 1997. - 96 p. : ill. ;
Rev. and enl. ed. of: Space puzzles. 1971. Includes index.
0486294404 (pbk.)
Solar system
51:523 / GAR