They're Coming! is a humorously creepy picture book from author/illustrator Timothy Young. It shows monsters and ghouls and various creatures from all over. Why are they coming? You'll have to read the book to find out.They're Coming! is a humorously creepy picture book from author/illustrator Timothy Young. It shows monsters and ghouls and various creatures from all over. Why are they coming? You'll have to read the book to find out.