The Downtown Library will host "Book of Love," a speed dating event at 11 a.m. to 1 p.m. May 19 singles age 55 and older, and 6 to 8 p.m. May 24 for singles 35 to 48. Both will take place at the library, 300 Park Ave. Participants are asked to bring a book they either love or loathe as a conversation starter. To register, go online to www.metrolibrary.org/speeddate. Sessions are free.