Can you help me find this book called the Tortilla Curtain by T.C. Boyle?

For my next quarter in my college class the instructer want us to have this book and this is the picture he provided http://www.utexas.edu/features/archive/2鈥?/a>





However I searched everywhere on the internet for this book and all I am finding for sale is these front covers





http://www.santaclaracountylib.org/servi鈥?/a>


http://www.jocolibrary.org/upload/librar鈥?/a>


http://images.syndetics.com/hw7.pl?clien鈥?/a>





Are any of these other books with different pictures written the same exact way as the one the picture showed us?|||Same story. Different Publishers.