May 5

Wings by Aprilynne Pike (HarperTeen, $16.99; ISBN 978-0-06-166803-6). 200,000 copies.

Being Nikki: An Airhead Novel by Meg Cabot. (Scholastic/Point, $16.99; ISBN 978-0-545-04056-3). 100,000 copies.

May 12

Pendragon: The Soldiers of Halla by D.J. MacHale (S&S/Aladdin, $17.99; ISBN 978-1-4169-1420-4). 300,000 copies.

Gossip Girl, The Carlyles #3: Take a Chance on Me by Cecily von Ziegesar (Little, Brown/Poppy, paper $10.99; ISBN 978-0-316-02066-4). 250,000 copies.

CampRock: Second Session: Sound Off! by James Ponti (Disney Press, paper $4.99; ISBN 978-1-4231-1776-6). 200,000 copies.

Princess Protection Program Junior Novel (Disney Press, paper $4.99; ISBN 978-1-4231-2090-2). 150,000 copies.

Seekers #3: Smoke Mountain by Erin Hunter (HarperCollins, $16.99; ISBN 978-0-06-087128-4). 150,000 copies.

Generation Dead: Kiss of Life by Dan Waters (Disney-Hyperion, $16.99; ISBN 978-1-4231-0923-5). 100,000 copies.

Princess Protection Program: A Royal Makeover (Disney Press, paper $3.99; ISBN 978-1-4231-2285-2). 100,000 copies.

Princess Protection Program: Heir to the Throne by Kate Egan (Disney Press, paper $3.99; ISBN 978-1-4231-2283-8). 100,000 copies.

Princess Protection Program: Rescuing Rosie (Disney Press, paper $3.99; ISBN 978-1-4231-2286-9). 100,000 copies.

Princess Protection Program: The Perfect Princess by Kate Egan (Disney Press, paper $3.99; ISBN 978-1-4231-2284-5). 100,000 copies.

Friend or Fiend? with the Pain and the Great One by Judy Blume (Delacorte, $12.99; ISBN 978-0-385-73308-3). 100,000 copies.

May 19

George’s Cosmic Treasure Hunt by Lucy Hawking and Stephen Hawking, illus. by Garry Parsons (S&S, $18.99; ISBN 978-1-4169-8671-3). 150,000 copies.

Vampire Kisses 6: Royal Blood by Ellen Schreiber (HarperTeen, $16.99; ISBN 978-0-06-128887-6). 125,000 copies.

The Real Real by Emma McLaughlin and Nicola Kraus (HarperTeen, $16.99; ISBN 978-0-06-172040-6). 120,000 copies.

May 26

The Frogs and Toads All Sang by Arnold Lobel (HarperCollins, $16.99; ISBN 978-0-06-180022-1). 150,000 copies.

Goldilicious by Victoria Kann (HarperCollins, $17.99; ISBN 978-0-06-124408-7). 120,000 copies.

Crazy Hair by Neil Gaiman, illus. by Dave McKean (HarperCollins, $18.99; ISBN 978-0-06-057908-1). 100,000 copies.

Once Dead, Twice Shy by Kim Harrison (HarperCollins, $16.99; ISBN 978-0-06-171816-8). 100,000 copies.

The Secrets of the Immortal Nicholas Flamel: The Sorceress by Michael Scott (Delacorte, $17.99; ISBN 978-0-385-73529-2). 100,000 copies.

Miles and Miles of Reptiles by Tish Rabe, illus. by Aristides Ruiz and Joe Mathieu (Random, $8.99; ISBN 978-0-375-82884-3). 100,000 copies.

May 31

Meet Rebecca by Jacqueline Dembar Greene (American Girl, paper $6.95; ISBN 978-1-59369-520-0). 100,000 copies.