WINDHAM — Unity Church of Greater Portland will hold its June 30 message at 10 a.m. on “Everyone Already Knows” followed by the “Perfect Happiness Now” workshop from 12:30 to 4 p.m. with Dr. Jon Mundy, Ph.D.

Mundy is an author, lecturer, the executive director of All Faiths Seminary International in New York City and the publisher of “Miracles” magazine. His newest book is “Living A Course in Miracles.”

He taught university courses in philosophy from 1967 to 2009, with a specialization in mysticism.

Cost for the workshop is $20 in advance and $25 at the door. Lunch is available for $5. No one who cannot pay will be turned away.

The church is at 54 River Road, Windham.

For information or to register, call 893-1233 or visit www.unitygreaterportland.org.