Martin Gardner can be considered one of the best there ever was in writing about mathematics. His essays are always entertaining and contain enough content to suggest other applications of the main point of his thesis. This book contains a series of short puzzles, most of which have quick solutions based on an "alternate" form of reasoning. That form is described as an "Aha" moment, where looking at the problem a different way leads to a simple solution to what appears to be a hard problem.

A great variety of English tests that will help you increase your TOEIC test score.This compact TOEIC Test Package is the only printable TOEIC word test collection currently available on the Internet. But unlike the traditional TOEIC text books, your TOEIC Test Package provides you with a system that constantly monitors your learning progress and improves your TOEIC language skills. You will find it fun taking these unique multiple choice tests because with every question you answer correctly your TOEIC English improves. Some of the test questions you will find easy while others might contain new phrases and expressions. If you take at least one test per day, you will soon notice just how your TOEIC skills improve. Each test comes with an answer key and your brain will automatically store the correct choice. You won't have to read through difficult word definitions or do boring exercises.

Aimed at applicants for graduate or managerial jobs, How to Pass Advanced Verbal Reasoning Tests addresses the rising demand for more difficult preparation material.
Offering unbeatable score-improving practice for online or pen and paper tests, it will help anyone prepare thoroughly and impress their potential employer.
With over 550 practice questions and answers available, covering all the major types of advanced verbal reasoning, along with explanations of scores, How to Pass Advanced Verbal Reasoning Tests contains everything that job candidates need to know to stand out from the crowd.

Core science concepts reviewed for success in medical programs and the USMLE
-structured by organ system
-Chart, pictures, diagrams, and lists to supplement science concepts
-Foundation skills from biology, chemistry, and physics
-Supplementary online material including:
-Eight different online exercises (labeling, reaction speed, separating, synaptic match, shooting game, flash cards, multiple choice questions) to test your knowledge of basic science concepts.
-The scoring method for the online exercises features a personalized learning ""matrix,"" providing a visual snapshot of your strengths and weaknesses. (The matrix organizes exercises according to either discipline or organ system.)