Trick or treat on the square from 3 – 5 p.m. this afternoon. This event always draws a crowd with parents and children walking around the Granbury square collecting treats from merchants. The Hood County Library has its annual carnival with games, treats, crafts and fun from 4-6 p.m. The third annual Community Wide Trunk r Treat is at Granbury City Park from 5:30 – 7 p.m.with games, door prizes and candy for children and families. Many churches also have free activities for children and families tonight.