Children's Fiction Series Bestseller List for May 25, 2006 from sales the week ending May 21, 2006 For the Book Sense store nearest you, call 1-888-BOOKSENSE or visit www.booksense.com   Children's Series 1. Magic Tree House (hardcover and paperback) Mary Pope Osborne, Sal Murdocca (Illus.), Random House 2. Alex Rider Adventures (hardcover and paperback) Anthony Horowitz, Philomel 3. Pendragon (hardcover and paperback) New in Series: The Quillan Games (1416914234) D.J. MacHale, S&S 4. Junie B. Jones (hardcover and paperback) Barbara Park, Denise Brunkas (Illus.), Random House 5. Harry Potter (hardcover and paperback) J.K. Rowling, Scholastic 6. Gossip Girl (paperback) Cecily Von Ziegesar, Little Brown 7. Warriors: The New Prophecy (hardcover and paperback) Erin W. Hunter, HarperCollins 8. Children of the Red King (hardcover) Jenny Nimmo, Orchard 9. The Book of Ember (hardcover and paperback) Jeanne DuPrau, Random House 10. A Series of Unfortunate Events (hardcover) Lemony Snicket, HarperCollins The Book Sense Bestseller List is copyrighted and cannot be reprinted without permission from the American Booksellers Association. For information on obtaining permission, contact Meg Smith, Associate Director, Book Sense Marketing, ABA, 200 White Plains Rd., Tarrytown, NY 10591, call (914) 591-2665, ext. 6641. Reprint Guidelines.