1. Introduction to Einstein’s theory of relativity: from Newton’s attractive gravity to the repulsive gravity of vacuum energy Grøn, Øyvind, Cham, Switzerland : Springer Nature Switzerland AG, [2020]. HIST456
2. Pandemic 1918: eyewitness accounts from the greatest medical holocaust in modern history Arnold, Catharine, New York : St. Martin's Griffin, 2020. HIST456
3. The knowledge machine: how irrationality created modern science Strevens, Michael, New York : Liveright Publishing Corporation, a division of W. W. Norton & Company, [2020] HIST456
4. The space race: a captivating guide to the cold war competition between the United States and Soviet Union to reach the Moon [Place of publication not identified] : Captivating History, [2020] HIST456
