![Pre-Algebra Tutor: Learning By Example - Factors & Multiples](http://ecx.images-amazon.com/images/I/51as5xMgIRL._SL160_.jpg)
Pre-Algebra is extremely important for students to master because having a foundation in algebra is essential to doing well in trigonometry, geometry, calculus and beyond. What sets this program apart from other teaching tools is that the concepts are taught entirely through step-by-step example problems of increasing difficulty. It works by introducing each new concept in an easy to understand way and using example problems that are worked out step-by-step and line-by-line to completion. If
List Price: $ 39.95
Price: $ 39.95
![Facial Expressions: A Visual Reference for Artists](http://ecx.images-amazon.com/images/I/61MHx%2BPDATL._SL160_.jpg)
All artists are tired of persuading their nearest and dearest to look sad…look glad…look mad…madder…no, even madder…okay, hold it. For those artists (and their long-suffering friends), here is the best book ever. Facial Expressions includes more than 2,500 photographs of 50 faces—men and women of a variety of ages, shapes, sizes, and ethnicities—each demonstrating a wide range of emotions and shown from multiple angles. Who can use this book? Oh, only every artist on the planet, in
List Price: $ 21.99
Price: $ 12.15
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