Joy Wiebe a drove truck on the Dalton Highway. Photographed June 7, 2015. (Photo by Dawn Foster) “Mothertrucker: Finding Joy on the Loneliest Road in America” by Amy Butcher(Little A, 2021. 257 pages. $24.95/$14.95/$4.99)In April of 2018, author Amy Butcher, who had become fascinated (obsessed?) with the Instagram posts of an Alaska trucker named Joy…