Stan Larson, of the University of Utah's Marriott Library, and Patricia Larson have made available the complete firsthand account of David O. McKay's missionary experiences. The greatest contribution of What E'er Thou Art Act Well Thy Part is that for "the first time . . . missionary diaries have been published of someone who at the time was not a general authority but who later became a president of the LDS Church."
As a biographer of McKay's education, I read these journals some time ago on microfilm—a formidable task because, as McKay himself admitted, some of his penmanship is illegible. The reader could more deeply appreciate the editors' work if a copy of an original page from McKay's journal had been reproduced in this edited version.