Trick-or-treat x 2! Meet Julia DeVillers and Jennifer Roy, co-authors of our ’90s twins book and real-life identical twins. You can get your copy of Meet Isabel and Nicki signed, plus shop all the ’90s fun in Isabel and Nicki’s world. Come in your best ’90s or twins-inspired costume! Plus enjoy in-store trick-or-treating. Free and open to the public.