Buy Local
Any brick-and-mortar bookstore can order and stock the book! If your local bookstore doesn’t have any copies already, just ask them to order in a copy for you.
The book is called What Does Green Mean? by James GS Marshall
If needed, it’s ISBN numbers are:
978-1-5255-5286-1 for the Paperback
978-1-5255-5285-4 for the Hardcover