Article contentJeannie Murdoch checks out a purple wig fashioned by her son, Ryan Ritchie, 8, during a free Halloween costume exchange at James L. McIntyre Centennial Library on Saturday. The colourful hair would make his possible costume choice as a stormtrooper from Star Wars stand out. The exchange returned after an absence of several years, said organizer Kaylee Hunter of children’s services. Costumes will also be available next weekend in the children’s department. BRIAN KELLY