Free tax workshop: 9 a.m. to noon, Feb. 23, Trident United Way conference room, 6296 Rivers Avenue, Suite 101, North Charleston.  The S.C. Small Business Development Center and partners will offer a free tax workshop for small business owners to provide information and instruction on business taxes and related topics.  To register, call 843.740.6160.

School board workshop: 10 a.m. to non, Feb. 24, Lonnie Hamilton Public Services Building, 4045 Bridge View Drive, North Charleston 29405.  The League of Women Voters of Charleston will offer a free workshop to review what it takes to be a school board candidate or advocate for the 113,000 area children in public schools.  While free, an advance reservation is requested at http://lwvcharleston.org/school_board_2018.html

Spring book sale:  Starts at 9 a.m. on March 2 and March 3, Otranto Regional Library, 2261 Otranto Road, North Charleston.  Charleston Friends of the Library will have more than 10,000 gently used books, CDs, DVDs and audio books at prices that can’t be beat at this annual sale.  Free admission.  More info.