This is truly my favorite book of all of the books that I have illustrated so far in my career.
To purchase this book you may go to the Frog Street website.
This is the website for the book:
http://www.frogstreet.com/the-little-engine-that-could-not-a-triumph-of-grace.html#.Uqt32BYTs19
This is an image from the cover and one of the interior spreads.
This is a sketch of an interior spread.
before color......
....and after color.