HumBy: William David Thomas A chance encounter with an old llama astonishingly reveals a language Allen didnt know he could speak in this captivating and one of a kind middle grade novel. Eleven year old Allen has a recurring nightmare, a persistent habit of humming, and difficulty connecting with other people. Making a fresh start, he and his grandmother move to a small village in northern New York. But when he meets an old llama at a winter festival,