HARDCOVER. Coverage is non-mathematical, presented as a °travelogue° of the solar neighborhood. Offers detailed descriptions of the moons of Jupiter and Saturn, and the results of probes of Halley's comet. Tan hardbac 452 pp, b&w diagrams and photos, 17 color images. Book Condition : Very Good; no text marks; spotting to text block. Dust Jacket Condition : Very Good; some shelf wear to edges and corners.