In chapter 5, when Mrs. Moss calls the characters for breakfast...
...and for about twenty minutes little was said, as mush and milk vanished in a way that would have astonished even Jack the Giant-killer with his leather bag.
In chapter 11, when Ben finds a book with a picture of a man cutting a giant's head off, he thinks it is Jack The Giant Killer, but it turns out to be actually David and Goliath.
Late Export for You: The film wasn't released in the UK until 1967 and then received cuts for an 'A' certificate to edit the witch attack on the ship, Princess Elaine being attacked by the giant, and Jack's fight with the dragon.