Geoff Dyer, the British novelist, critic and essayist, sums up his new collection of essays and reviews from the past 25 years, “Otherwise Known as the Human Condition” (Graywolf; 432 pages) as “a glimpse of a not-unrepresentative way of being a late-twentieth-early-twenty-first-century man of letters” — one who writes on assignment, covering a vast range of subjects, in addition to creating fiction. “It’s a job for life; more accurately, it is a life,” he writes in the introduction, “and hardly a day goes by without my marveling that it is somehow feasible to lead it.” Dyer’s gigs include magazine essays, […]