Are you a quick-wit? Are you logical? Would you be a good detective? How well do you judge people? How creative are you? Do you use your brain power? Here's a series of books that are not just another set of test-yourself books. Highly readable, these books are written by professionals and provide expert guidance to help you to evaluate yourself and enrich and fortify your life.

Are you a quick-wit? Are you logical? Would you be a good detective? How well do you judge people? How creative are you? Do you use your brain power? Here's a series of books that are not just another set of test-yourself books. Highly readable, these books are written by professionals and provide expert guidance to help you to evaluate yourself and enrich and fortify your life.

Are you a quick-wit? Are you logical? Would you be a good detective? How well do you judge people? How creative are you? Do you use your brain power? Here's a series of books that are not just another set of test-yourself books. Highly readable, these books are written by professionals and provide expert guidance to help you to evaluate yourself and enrich and fortify your life.