Elm Street Books is at 35 Elm Street (203-966-4545/elmstreetbooks.com). Two bookstores with a religious affiliation are the Lion’s Den Book & Gift Store (203-966-3838) on the grounds at St. Mark’s Episcopal Church, 111 Oenoke Ridge, and the Christian Science Reading Room at First Church of Christ Scientist, 49 Park Sreet (203-966-0923).