These 2 books work well together. Both in great condition No markings. Clean pages. The product is a set of two world history books with timelines and a blank timeline book. The books, authored by Johnson/Grum, cover the subject area of world history in an intermediate level format. The first book, “Timetables of World History: A Study Guide” offers a detailed overview of historical events in a timetabled format. The second book, “Wonders of Old: A Blank Timeline Book of World History” allows for personalized note-taking and organizing of important dates and events. Both books serve as valuable resources for students and history enthusiasts looking to deepen their understanding of world history.