CometsBook - 1987
Explains what comets are, how they are formed, and how their unusual orbits bring them into the earth's view at predictable intervals with a special focus on Halley's comet.
Publisher: [Old Greenwich, CT] : Listening Library, p1987.
Branch Call Number: 523.6 Branley
Characteristics: 1 sound cassette :,analog, +,1 paperback book (32 p. : ill. ; 18 x 22 cm.)