Break out your specs, cheaters and bookmarks Saturday as the Friends of the Petaluma Library begin their annual Book Sale at the library, 100 Fairgrounds Drive. Children’s books are the focus 10 a.m.-4 p.m. Saturday, with general sales running 4-8 p.m. Nov. 16, then 10 a.m.-5 p.m. Nov. 17-18. “Deal Day” is Nov. 19, with half-price selections 10 a.m.-2 p.m. and the amazing $2 bag sale 2:10-4 p.m. More info: 763-9801 or sonomalibrary.org/friends/Petaluma_bk.html.