Gr 4-5-These basic introductions to our solar system's star and outer planets are also-rans next to Larry Dane Brimner's recent "True Book" updates (Children's), but they do have some additional facts, particularly about the planets' moons. In Saturn, Kerrod describes the atmosphere, structure, rings, and most of the plethora of moons with crisp fluency, pausing for a closer look at Titan, the largest satellite, and closing with a tally of the space probes, Pioneer 11 to Cassini, that have been dispatched to those distant reaches. Uranus is similarly arranged; Sun covers not only inner and outer solar phenomena, but also earthly seasons, eclipses, the life and death of stars in general, and related topics. The profuse illustrations, which include diagrams, paintings, and average-quality space photos, are the books' chief weakness.