Bestselling children’s series and tie-in/licensed books for the week of May 28, 2007

1. Percy Jackson and the Olympians by Rick Riordan, Hyperion/Miramax

2. Gossip Girl by Cecily von Ziegesar, Little Brown

3. Pendragon by D.J. Machale, S&S/Aladdin

4. Harry Potter by J.K. Rowling, Scholastic/Levine

5. Spider-Man 2, HarperEntertainment

6. Warriors by Erin Hunter, HarperCollins

7. Junie B. Jones by Barbra Park, Random House

8. Magic Tree House by Mary Pope Osborne, Random House

9. Clique by Lisi Harrison, Little Brown

10. Pirates of the Carribbean 3, HarperEntertainment

11. The Sisterhood of the Traveling Pants by Ann Brashares, Delacorte

12. Septimus Heap by Angie Sage, HarperCollins/Tegen

13. High School Musical, by N.B. Grace, Disney

14. Alex Rider Adventures, by Anthony Horowitz, Puffin

15. A Series of Unfortunate Events, by Lemony Snicket, HarperTrophy

Used with permission, copyright Publishers Weekly 2007; a full listing in all categories can be found at www.publishersweekly.com