Professor Thad Dunning and Professor Susan Hyde's (and Grossman, Humphreys, Hyde, McIntosh, and Nellis') book titled Information, Accountability, and Cumulative Learning: Lessons from Metaketa I , has been selected as the winner of the 2019 Best Book in Experimental Research by the Experimental Research Section of APSA. The book is a landmark contribution in the methodology of experimental research and provides a new template for cumulative learning across RCTs. For more infomation about their prestigious award, please see https://connect.apsanet.org/s42/best-book-published-in-2019-2/