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The Marathon County Public Library and Extension Marathon County will offer virtual classes on creating plant maps and the importance of crop rotation on March 16 from 10-11 a.m., with the class repeated again that evening from 6-7 p.m. Both classes will be conducted via the Zoom app. Attendees can attend the session virtually via webcam or by phone. Free, with registration required. For more info or to register, visit

The Friends of the Marathon County Public Library will host their next members-only book sale on March 19 from 9:30 a.m. to 3:30 p.m. at the library’s Wausau Headquarters, 300 N. First St., Wausau. The sale is open to Friends of MCPL members only and will feature books, CDs, DVDs, puzzles, games and artwork for sale. Cost to join the Friends is $10/year per person, or $25 per family. Call 715-261-7230 for more information.