GED Science Revision Guide is a book that will help you prepare for your GED Science exam effectively with the most up to date content for GED version 2014 above. This book made all topics easy for you without having a strong science background, you will be learning by looking at diagram, graphs and highlighted keywords. Using this book will help boost your score up to nearly around 150 to 200 easily. There are about 200] questions for you to practice and mastered the exam.