Pam Houston's newest book, Air Mail: Letters of Politics, Pandemics, and Place, chronicles the correspondence between writers Pam Houston and Amy Irvine in response to the spread of coronavirus. Part tribute to wilderness, part indictment against tyranny and greed, the dialog is based on their shared devotion to the rugged, windswept mountains that surround their homes. Houston is also the author of the memoir, Deep Creek: Finding Hope In The High Country, two novels, Contents May Have Shifted and Sight…