Uranus, Neptune the planet discovered on paper, Jovian planets beyond our solar system, and Voyager 2's grand tour." - SciTech Book News
". . .contain[s] basic information to help the reader understand this ever-changing topic." - ARBAonline
". . . this volume will be a valuable complement and update for either general science encyclopedias or specific ones such as Paul Murdin's Encyclopedia of Astronomy and Astrophysics (Nature Publishing Group, 2001)."
- School Library Journal
"The book is best suited to junior and senior high school students, as well as lay readers who wish to learn about the history and phenomenology of the outer planets of our solar system, including some curious anecdotes to enliven the factual summaries. High recommended. Libraries serving high school students and general readers." - Choice
"The author's writing style takes a very complex, scientific subject and breaks it down into chapters that are understandable and interesting for the amateur enthusiast, with detailed information for the researcher looking for a credible source. Recommended." - Library Media Connection