What Einstein Didn't Know: Scientific Answers to Everyday Questions contains answers to everyday questions (e.g. "Why do car batteries go dead in winter?" and "Why does warm beer go flat?"), attempting to explain them scientifically but without using technical terms (though it often shows technical terms after their definitions). It also contains bar bets and "Try it" experiments related to the current subject.
What Einstein Told His Barber: More Scientific Answers to Everyday Questions is a nonfiction book written by Wolke. It is the sequel to What Einstein Didn't Know: Scientific Answers to Everyday Questions.
What Einstein Told His Cook 2, The Sequel: Further Adventures in Kitchen Science (ISBN0-393-05869-7) is a nonfiction book and sequel to What Einstein Told His Cook: Kitchen Science Explained; this book provides answers to common questions related to kitchen science.