Comet /
Sagan, Carl, 1934-1996.
Comet / Carl Sagan and Ann Druyan. - 1st ed. - New York : Random House, c1985. - xiv, 398 p. : ill. (some col.) ; 27 cm.
Includes indexes.
Bibliography: p. 379-384.
0394549082 : $27.50
85008308
Comets.
Halley's comet.
QB721 / .S34 1985
523.6
Comet / Carl Sagan and Ann Druyan. - 1st ed. - New York : Random House, c1985. - xiv, 398 p. : ill. (some col.) ; 27 cm.
Includes indexes.
Bibliography: p. 379-384.
0394549082 : $27.50
85008308
Comets.
Halley's comet.
QB721 / .S34 1985
523.6