My kids loved them and wanted to hear them over an over. I noticed that with each reading, they comprehended a little more about the story. Even the first reading they loved and picked up a lot of information from, but they were so interested in the story to pay much attention to the concepts. After all, they didn't view the story as a lesson in science. On later readings they showed a great deal of interest and even awe at that the world really operates in such ways.

And me - I'm not a scientist, am even afraid of science, but this was easy. I picked up more from these stories than I learned in high school. Of course the kids asked questions I couldn't answer (but not too many), but they ask such questions every time we go to the park or the supermarket. I just passed off their questions in the usual way. Now when I someone says something about the Big Bang Theory, molecules or such, I feel well enough informed that I no longer quickly change the subject.

I recommend the books and hope the publisher adds more titles soon.

The book doesn't go into things like adding binary numbers - that would be too much. However, it did provide a basis so I'm going to use binaries to explain carrying when adding numbers. Binary numbers are so simple, she will be able to understand what carrying is all about.

At the level she is now, the book provided her with the concepts she needed to see how we build up larger and larger numbers. A couple of days ago she came to me and showed me how she could keep writing larger and larger ordinary numbers, to thousands, millions, billions . . . I'm sure it was hearing this book that let her figure it out.

If you never heard of binary numbers, your kid will enjoy it and you'll learn something too. If you know binary numbers, the book provides a foundation for you to expand upon. Either way, I recommend it.