Palatine Adult Battle of the Bands

• 7 to 9 p.m. Monday, June 19, Fred P. Hall Amphitheater, 262 E. Palatine Road, Palatine. Free. For information, visit palatineparks.org.

Medical Marijuana demystified

• 7-8 p.m. Monday, June 19, Palatine Public Library, 700 N. North Court, Palatine. Are you curious about the Illinois medical cannabis pilot program? Kirsten Velasco, patient advocate for Illinois Women in Cannabis, speaks about the law, science, medicine, and the application process. For information, call (847) 358-5881, ext. 167, or visit www.palatinelibrary.org.

Northwest Writer’s Club

• 7:30 p.m. Monday, June 19, Elk Grove Public Library, 1001 Wellington Ave., Elk Grove Village. The Northwest Writer’s Club holds its monthly meeting. New members are always welcome. Come join in the fun, hone your skills, get critiques of your work, and receive tips on where to submit your manuscripts. For information, call Leigh Heflin at (630) 837-7166 or attend the meeting.

Happily Ever After Book Group

• 7 p.m. Monday, June 19, Schaumburg Library, 130 S. Roselle Road, Schaumburg. Happily Ever After, a romance book discussion group, will meet in the Rasmussen North Room of the Schaumburg Library. June’s discussion will center on “Pride and Prejudice” by Jane Austen. Participants are welcome to share their thoughts and insights on this 1800s novel. For information, visit www.SchaumburgLibrary.org.

Staying strong

• 9 a.m. Wednesday, June 21, Advocate Good Shepherd Hospital, 450 W. Hwy. 22, Barrington. Many seniors are staying strong and flexible. Learn the benefits of improving your balance and cardiovascular system. Register by calling (847) 382-7277 or go to www.advocatehealth.com.