Home › Authors › Wendy Petersen 👤 Wendy Petersen 3 books Books by Wendy Petersen 5 Steps to a 5 : AP World Hist 5 Steps to a 5 : AP World History 2021 5 Steps to a 5 - AP World Hist 5 Steps to a 5 - AP World History 2020 2019 5 Steps to a 5 - AP World Hist 5 Steps to a 5 - AP World History 2020 Elite 2019