• Volunteer work day — April 19.

• Sunday Strolls — 2 p.m. April 13 and 27 and May 24.

• “Magical Macros and the Art of Fly Tying” — April 26.

• Spring and woodland wildflowers — May 11 and 25.

• Fly fishing clinic with George Daniel — May 17 and 18.

Info: 724-376-1000 or on-line, www.mckeever.org

Mercer County Cooperative Extension in Coolspring Township is sponsoring “Eat Better for Less” from 1 to 3 p.m. April 8, 15, 22 and 29 in Case Avenue Elementary’s Family Center. Registration deadline is April 8.

Sharon City School District’s seventh- and eighth-graders teachers and staff are taking part in “Golden Rule Revolution!!” The theme for March is “Resolve Conflicts;” April, “Take Care of Our Environment;” and May, “Be Appreciative.”

“John D. MacDonald: Life and Work” will be presented at 6 p.m. April 16 in Community Library of the Shenango Valley. Al Mittal will speak about the Sharon-born author of 80 books and 600 short stories.

These computer classes are planned with costs of $25 for Sharon residents and $35, non-residents:

• Excel I — 6 to 8:30 p.m. Monday through March 19 in Sharon High’s computer lab room 119.

• Excel II — 6 to 8:30 p.m. April 14 through 16 in Sharon High’s computer lab room 119.

• Computers for senior citizens — 4 to 6:30 p.m. April 28 through May 1 in Sharon High’s computer lab room 119.

• Word I — 6 to 8:30 p.m. April 2 through 4 in Sharon High’s computer lab room 119.

Registration or info: Lifelong Learning Council, 724-981-6869.