24 Hours in Ancient History is a 10-book series with 10 primary works first released in 2017 with contributions by Philip Matyszak, Donald P. Ryan, and Yijie Zhuang.
2017 • 1 Reader • 256 pages • 3
2018 • 1 Reader • 224 pages • 3
2020 • 1 Reader • 272 pages • 3
2019 • 1 Reader • 255 pages
2019 • 3 Readers • 4.5
2018 • 9 Readers • 208 pages • 5