Question: Pittacus Lore authored books in the young adult science fiction series "The Lorien Legacies", including The Power of Six and what prequel?
Sentence (from "I Am Number Four"): The book was published by HarperCollins on August 3, 2010, and spent seven successive weeks at #1 on the children's chapter of the "New York Times" bestseller list.
Relevant evidence: No