These two guides  will help the reader in the development of public speaking skills, use of presentation equipment, and all the basics. The books have excellent guides and do emphasize practice. Very helpful and good for the novice and beginner.

A great book to practice listening

GMATPrep test-preparation software is available to help you prepare for the Computer-Adaptive GMAT® exam.

The GMATPrep software uses the same technology used by the official GMAT exam. With this software, you can simulate the actual test experience.

GMATPrep software features:

• A 15-question practice section for each type of GMAT question, with answers and explanations for each question
• 2 full-length computer adaptive practice tests with answers (detailed explanations of answers are not included) 
• Accurate computing of Verbal and Quantitative scores, which you can use to judge how prepared you are for the actual GMAT exam
• A comprehensive math review
• Real-time scoring

GMAT 800 offers high-achieving students the toughest practice questions, hardest concepts, and strongest strategies to help them prepare for the GMAT. The guide includes:
* NEW! Online companion with intensive math concepts review and practice drills!
* Hundreds of the toughest practice questions with strategic explantions
* Tips for getting the questions right on test day
* Focused guidelines for tackling each question type
* Proven strategies for getting a perfect score
* Special step-by-step methods for special question types

This book is a collection of exercises designed to help learners master Sparknotes' selection of the 250 most difficult SAT words (http://www.sparknotes.com).