A few on sale at Amazon.ca today:
Washington: The Indispensable Man by James Flexner for $CDN 1.99
https://www.amazon.ca/Washington-Ind.../dp/B01NCSVW6W
This is a one volume distillation of Flexner's 4 volume bio of Washington
The Battle of Midway by Craig L. Symonds for $CDN 1.99
https://www.amazon.ca/Battle-Pivotal.../dp/B005G05WDO