You'll find wolves, a headless horseman, witches, giants, and a queen determined to cut off your head in these books:
The Legend of Sleepy Hollow by Washington Irving
Peter Pan by J.M. Barrie
Rumpelstiltskin by the Brothers Grimm.
The Wizard of Oz by L. Frank Baum
Little Red Riding Hood by the Brothers Grimm
Three Little Pigs and the Big Bad Wolf by Glen Rounds
Jack and the Beanstalk by E. Nesbit
Alice's Adventures in Wonderland by Lewis Carroll
Through the Looking Glass and What Alice Found There by Lewis Carroll
Check out all of the scary characters and more in Miss Smith and the Haunted Library by Michael Garland.