Christian Science books.

"Home-school mom Susan Mule wishes she hadn't taken a friend's advice and tried a textbook from a popular Christian publisher for her 10-year-old's biology lessons.

Mule's precocious daughter Elizabeth excels at science and has been studying tarantulas since she was 5. But she watched Elizabeth's excitement turn to confusion when they reached the evolution section of the book from Apologia Educational Ministries, which disputed Charles Darwin's theory.

"I thought she was going to have a coronary," Mule said of her daughter, who is now 16 and taking college courses in Houston. "She's like, 'This is not true!'""

More at http://rawstory.com/2010/03/top-homeschool-texts-dismiss-evolution/

Religion is subversive, viral and utterly destroyed by knowledge, but if it keeps convincing stupid people to teach their kids stupid things it will keep humanity stupid for a long time.