Your Personal Guide to Finding Household Solutions “Who Knew?” by Bruce and Jeanne Lubin has almost 500 pages of time-saving hints and advice, that can help you cut unnecessary spending, time, and effort. You’ll learn what products that you already have can really do. Learn the secrets of vinegar, baking soda, corn starch, salt, and even your hairdryer. Imagine your delight and satisfaction the first time you don’t have to throw an article of clothing away because of a stain, or call a handy man to solve what you have now found out with 10,001 solutions. “Who Knew?” is so much more than a book of helpful hints, it’s your personal guide to resolving challenges around the house, simply and economically.