Apparently the link in the OP no longer works. They might have taken it down considering so many people were laughing at them throughout the internet. You can still read the preview of their space and earth science "text" in my last post.

EDIT:
Quote Originally Posted by oddler
Does anyone know of a science text book that includes evolution and also goes to lengths to try to disprove creationism?
I doubt you'll find an actual textbook on that, considering it would not be able to be used in public schools. There are plenty of websites and regular books devoted to that, though.