Concrete Mathematics
This book introduces the mathematics that supports advanced computer programming and the analysis of algorithms. The primary aim of its well-known authors is to provide a solid and relevant base of mathematical skills - the skills needed to solve complex problems, to evaluate horrendous sums, and to discover subtle patterns in data. It is an indispensable text and reference not only for computer scientists - the authors themselves rely heavily on it! - but for serious users of mathematics in virtually every discipline.

Off the Cuff: What to Say at a Moment's Notice
Impromptu speaking requires both timing and tact. With practice, spontaneity and the confidence the ability to make planned remarks seem ad-libbed and conversational can be learned. This book is a comprehensive approach to speaking for all occasions, and a guide to knowing what to say, when to say it, and how to say it right. It will teach you how to:
Say a few words whenever and wherever called upon.
Make your arguments clear, concise, and effective.
Add depth to any new product announcement.
Provide wisdom and comfort at a friend's funeral.
Craft original speeches and presentations.
Collect quotes that communicate volumes with just the right "few words."
Map out your communication through a fill-in-the-blank process.
Know how the colors you wear will influence an audience.
And much more.

Now it's time to learn how to do it easily, effectively, and fearlessly...in front of a group.

This dictionary may be small in stature, but it will be a big help to you if you are learning English. "NTC's Super-Mini English Dictionary" contains a comprehensive word list yet is compact enough to fit in your pocket. You will have access to the spelling, pronunciation, part of speech, meaning, and irregular forms of more than 7,500 of the most common and basic words used in English.