First of all, if you buy anything By Mr. Scivales, you are getting more than your moneys worth. Anyone who spends this amount of time and effort on the master, deserves all the credit you can give him. NO you will not all of a sudden play like Art, but it gives you and idea of how he did certain runs, and how he thought. In addition, you realize that he fingered things differently to get a certain sound. Now I can add some nice Tatum runs in my playing when I choose to. Now I didn't say I could do it as fast, but that is another story.
All books by Riccardo are excellent. He is one of the top five great piano educators who have written any jazz piano book.
I you love Art Tatum, This will be a real eye opener.