The Book That Dripped Blood by Michael Dahl, 32 pages
A young man tries to sell a book to a bookseller. The book has claws and fur. A lady takes the book home. The woman disappears. Her landlord finds the book. The Librarian appears. The bookseller returns. He is the Collector. He wants the book but escapes without it. The last page of this book lists some rare and unusual books.