Richard Langley Books
5 Steps To A 5: AP Chemistry 2018
By John Moore, John T. Moore, Richard Langley, John T. Moore, EdD, Richard H. Langley, PhD
**Get ready to ace your AP Chemistry Exam with this easy-to-follow, multi-platform study guide**__5 Steps to a 5: AP Chemistry__ introduces an easy to follow, effective 5-step study plan to help yo...
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5 Steps To A 5: AP Chemistry 2019
By John T. Moore, Richard H. Langley, Richard Langley, John Moore, John T. Moore & Richard H. Langley
A PERFECT PLAN FOR THE PERFECT SCORE Score-Raising Features Include:•4 full-length practice exams with thorough answer explanations, 2 in the book + 2 on Cross-Platform•Hundreds of practice exercis...
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