Scanning the headlines for news about books:I noticed, after I’d been working at the book store for a while, that there is a religious book industry that shadows the mainstream book industry. There isn’t much crossover between the two: there are mainstream bookstores that sell exclusively mainstream books and Christian bookstores that sell exclusively Christian books. But now the Associated Press is reporting that the lines are blurring thanks to the success of the The Da Vinci Code and the odd cultural phenomenon of Mel Gibson’s The Passion of Christ. According to the story, several psuedo-religious books, books that don’t fit neatly into either segment of the book industry, have become big sellers in the last year. The Gnostic Gospels by Elaine Pagels, Holy Blood, Holy Grail by Michael Baigent, Richard Leigh, and Henry Lincoln, and The Woman With the Alabaster Jar: Mary Magdalen and the Holy Grail by Margaret Starbird are among the beneficiaries.Advanced Book Exchange is a giant online marketplace for used books. I happened to notice that they recently posted a list of their “top 50 bestselling used, rare and out-of-print books on Abebooks in 2003.” It’s an interesting list that includes current bestsellers (Harry Potter and the Order of the Phoenix), classics (East of Eden), collectible magazines (National Geographic Magazine), and scholarly texts and reference books (Black’s Law Dictionary).And while we’re talking bestsellers, here’s Barnes & Nobles’ 100 bestselling books of 2003, including one of my favorite books of recent years, Ian McEwan’s Atonement coming in at number 46.