American Pie Presents: The Book of Love (2009)
Rob, Nathan and Lube are three friends at Great Falls High determined to succeed in their mission of manhood and score with the ladies of their dreams. After some uproarious attempts with less than successful results, they accidentally discover a legendary guide to seduction hidden in the school library. It turns out to be a rarely-seen, often-sought manual about the secrets to sexual success, penned by some of the school's previous generations. But a few missing pages leads to hilarious surprises for everyone....Including the alumni.