Every Disney on Broadway production has had a book published. I'm sure it's in the cards for the near future. Too soon to tell. The Newsies book was just released not too long ago and that show opened a couple of years ago.
Michael Lassell has written a new book called A Whole New World - The Road to Broadway and Beyond. Lassell has written the coffee table books for Tarzan, The Little Mermaid, Mary Poppins, etc. The book will be released August 16.
Three years after the show opened, I finally received my book yesterday! It's a great read with lots of photos from the international productions. Only halfway through it but I wish they had included more photos from Seattle as well since they mentioned that production a lot (and to recognize 5th Avenue Theater and the previous creative team's contributions)