Question: what is the name of the book that is used for the movie that has The song  The Beautiful Briny?
Sentence (from "Bedknobs and Broomsticks"): It is based upon the books "The Magic Bedknob; or, How to Become a Witch in Ten Easy Lessons" (1943) and "Bonfires and Broomsticks" (1945) by English children's author Mary Norton.
Relevant evidence: Yes