An inquisitive little mouse takes in the sights and sounds of his very first Halloween night in this charming story. One spooky night when the moon was bright, Mouse crept around, and this is what he found… Join Mouse on a spooky fall night. He hears bats flying, leaves falling, and children singing “Trick or Treat!.” What can it mean? Find the answer in this sturdy board book edition of the bestselling picture book.