What is this chapter mostly about?
Which creatures had Uncle Andrew been using in his experiments?
Uncle Andrew said that his experiment "succeeded" when Digory asked about Polly.
What does the word "succeeded" mean?
What does the word "noble" mean in this context?
What was special about Mrs. Lefay?
What was in Mrs. Lefay's secret box?
Uncle Andrew thinks it is "preposterous" for Digory to suggest he test the experiment on himself.
What does the word "preposterous" mean?
What color are the rings that bring people back from the other world?
How was Uncle Andrew able to pick up the rings without vanishing?