There are letters received as well as letters sent in this collection edited by Barry Day, the self-appointed scholar of Coward's life and work, and they are grouped thematically rather than chronologically.
We've been down this road before, most recently with the disappointing 2010 Broadway revival of Coward's "Present Laughter, " in which Victor Garber was so much older than the role he was playing that the script had to be altered to cover up the fact.