Don Herbert, Hy Ruchlis, "Mr. Wizard's 400 Experiments in Science"

Mr. Wizard does it again with 400 time-proven experiments that allow students to test the basic principles of science for themselves.
Experiments encompass 17 basic scientific concepts, arranged in concise four-page chapters for quick teacher reference

This user-friendly guide explains economic concepts and principles in a lively, informative way. Clear and easy-to-understand definitions and explanations, with examples that relate to issues and problems relevant to teenagers, will help students gain a better understanding of economics. In 15 chapters the guide covers all the basic information students need to understand the basic concepts and principles of economics, including: definition of economics in historical context...

Math is a tricky subject that brings stress to many students. With Express Review Guides: Basic Math & Pre-Algebra, this does not need to be the case. No longer will fractions and decimals keep you up at night. After finding your strengths and weaknesses through a simple pretest, this Express Review Guide will provide lessons and tutorials with step-by-step answer explanations to increase comprehension. You will encounter math problems of all shapes and sizes in easy-to-understand examples - all designed to improve your math proficiency.

A modern coursebook for soldiers learning English. Presents unique up to date vocabulary required in NATO armies. Covers such issues as: basic doctrines, offensive, defensive, and types of military units.

Basic Skills for the TOEFL iBT 3 - Speaking
Target : Pre-advanced

Basic Skills for the TOEFL iBT is a 3-level, 12-book test preparation series designed for beginning-level students of the TOEFL iBT. Each level consists of four books: Reading, Listening, Speaking, and Writing.