Climb aboard a time capsule for a trip around the globe to explore 15 different social studies topics ranging from Mesopotamian empires to the Incas with these engaging texts. This book helps all students grasp important historical people and events through high-interest social studies material written at four different reading levels. Each text is presented in a two-page format and complemented with comprehension questions written at each reading level. Resource is designed for children in fourth-grade through 12th-grade.