The Mom Inventor's Handbook is a very detailed, hands on guide for taking an invention from idea to reality. There are several things I believe make it so useful: it's relevant and recent (no outdated advice here), it's based on real-world experience from an inventor and the others she has mentored, and it offers myriad resources to implement her advice. The examples of moms who have had success also make it inspirational.
I also liked how the author uses examples that clearly illustrate what she is advising. For examples, she gives before and after pictures of the packaging design for her invention, the TP Saver when illustrating design elements.
I interviewed the author about the book on my Internet radio show, EverydayWealthRadio, and found her to be very knowledgeable. If you've been thinking of inventing a product, this is a book you must have.