Beep! Beep! It's Halloween! Little Blue Truck is picking up his animal friends for a costume party. Lift the flaps in this large, sturdy board book to find out who's dressed up in each costume! Will Blue wear a costume too? With the delightful rhymes and signature illustration style that made Little Blue Truck a household name, Blue's new adventure is full of festive costumes, fall colors, and plenty of Halloween fun!