“Some of the stuff that’s in [the book] was written knowing that I may never play music again,” says Dave Alvin, chatting from his home in Los Angeles’ Silver Lake neighborhood. “Or I may…. I may be dead.” The book is New Highway: Selected Lyrics, Poems, Prose, Essays, Eulogies and Blues, a collection by the musician. There are stories of growing up in working-class Downey, a little southeast of L.A. There are songs included from his time as the primary writer and lead guitarist of the Blasters, which he co-founded with his brother Phil (“Marie, Marie” “Long White Cadillac,” the manifesto “American Music”) and from his solo career (“Fourth of July,” his quasi-theme “King of California”). There are colorful tales of road life and youthful daring, odes to the communal joys of music and...