Join T. Rex and his friends as they try to find the perfect scary costume for Halloween trick-or-treating. Is it a bat? Or a cat? Or maybe a jack-o'-lantern? Or maybe T. Rex should just wear his big, toothy grin.Lois G. Grambling and Jack E. Davis's delightful, frightful tale teaches that, sometimes, what you need just might be in the last place you look—yourself.