A "companion to Welcome to the Universe, a ... bestseller that was inspired by the ... introductory astronomy course for non-science majors that Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott taught together at Princeton. [It] features more than one hundred problems and exercises used in the original course"--Amazon.com.
"This book provides a very valuable resource for anyone who wants to acquire a reasonably quantitative understanding of introductory astronomy. The questions cover a broad range of interesting topics, and the solutions are thorough and often enlightening, providing additional insights into the subject matter."-Alex Filippenko, University of California, Berkeley