Hot X : Algebra Exposed
While a tutor might use this title as a teaching aid, teen girls will want to explore it on their own. Navigation is easy; students are encouraged to hop from chapter to chapter as their homework demands. The breakdown of equations is effective and certainly unconventional explaining functions in terms of sausage factories, for example, or exponents in terms of whip-bearing female executives (makes sense in the book, promise) and while McKellar keeps her focus on how to solve math problems, her approach is both readable and even entertaining.
QA159.M345 NHC Library Stacks