Home › Authors › Charles Krebs 👤 Charles Krebs 3 books Books by Charles Krebs Modified Mastering Geography w Modified Mastering Geography with Pearson EText -- Combo Acces Card -- for Diversity amid Globalization 2020 Instructor's Resource Material Instructor's Resource Materials for Diversity amid Globalization 2014 Energetic Kinesiology Energetic Kinesiology 2013