Orienteering for Ghosts and Ghouls A key factor to any successful trick-or-treating operation is your route. Come learn how to make and use maps to plan your best Halloween yet. Put your skills into practice with a short scavenger hunt around the library. Ages 6 to 13. Accessibility Need sign language interpretation or other accessibility assistance for this event? Please call (312) 747-8184 or email access@chipublib.org to request accommodations. Requests must be made at least 14 business days before the event. #chicagofallfest