The objectionable textbook material The ads refer to a controversy in Wheaton schools in the early 1990s surrounding a series of textbooks called Impressions They also contained some writings that some parents believed featured themes of the occult witchcraft violence and disrespect for parental authority Here is a discussion of one of the offending pieces a yarn called A Wart Snake in a Fig Tree which is a kind of a pardody of The Twelve Days of Christmas but with creepy crawlies and spiders and snakes and stuff A Wart Snake in a Fig Tree I wonder what Roskam s stance on Harry Potter and Holloween is