You can find a downloadable copy of Train Go Sorry by Leah Hagar on Amazon for $2.99. You will need the Kindle app on your phone or tablet. There are also paperback options.
When you are not actually reading a book in the Internet Archive make sure to click the Return button (even if you plan to return to the book later), so other people can use the book. That way it will be available to many people, including you.