Columbia Heights Library, 3939 Central Ave. NE. For more information, call 763-706-3690 or visit www.anokacountylibrary.org. Library Book Club: The third Wednesday of the month, 10 am. The library’s Adult Book Club meets monthly in the library’s community room. Registration not required. March 20: "Signal Fires" by Dani Shapiro. Consult with the Law Librarian: Fourth Thursday of the month: March 28, 5-7 pm. The Anoka County Law Library Director will be at the Columbia Heights Public Library each month to answer…