This will tell you the storyline of the movie and book. In the book, 16 heirs are invited to Sunset Towers. The heirs all work together to solve the game. In the movie the heirs were invited to Sunset towers to play The Westing game. Soon the 16 heirs will be paired.
This will tell the similarities. For example Turtle wins the hole game. Another is that Sandy is Sam westing , Barney Northrup , Julian R Eastman , and Windy windkloppel. The song “America the Beautiful” is a piece to the puzzle to the answer as well as