The South Butler Community Library in Saxonburg, in coordination with the Knoch Area Drug Free Coalition, will host a series of interactive sessions to educate adults on the dangers of substance abuse at 6:30 p.m. Tuesday, Sept. 19.

The two sessions are “Teen Bedroom: What Lies Beneath the Surface,” which will be followed by “Vaping — The Essential Knowledge.”

These sessions will be hosted by experts from the Keystone Wellness Programs. Registration is preferred, but walk-ins are welcome.