The Renaissance Learning report "What Kids Are Reading" calculated the books most read by more than 3 million schoolchildren last year. The top five at each grade level:

FIRST GRADE

1. "Green Eggs and Ham," Dr. Seuss

2. "The Foot Book," Dr. Seuss

3. "Are You My Mother?," P.D. Eastman

4. "Hop on Pop," Dr. Seuss

5. "Biscuit," Alyssa Capucilli

SECOND GRADE

1. "If You Give a Mouse a Cookie," Laura Numeroff

2. "Green Eggs and Ham"

3. "The Very Hungry Caterpillar," Eric Carle

4. "If You Give a Moose a Muffin," Numeroff

5. "If You Give a Pig a Pancake," Numeroff

THIRD GRADE

1. "Charlotte's Web," E.B. White

2. "Cloudy With a Chance of Meatballs," Judi Barrett

3. "Officer Buckle and Gloria," Peggy Rathmann

4. "The True Story of the 3 Little Pigs," Jon Scieszka

5. "Dogzilla," Dav Pilkey

FOURTH GRADE

1. "Tales of a Fourth Grade Nothing," Judy Blume

2. "Sarah, Plain and Tall," Patricia MacLachlan

3. "Because of Winn-Dixie," Kate DiCamillo

4. "Charlotte's Web"

5. "Stone Fox," John Gardiner

FIFTH GRADE

1. "Bridge to Terabithia," Katherine Paterson

2. "Hatchet," Gary Paulsen

3. "Holes," Louis Sachar

4. "The Sign of the Beaver," Elizabeth Speare

5. "Harry Potter and the Sorcerer's Stone," J.K. Rowling

SIXTH GRADE

1. "Hatchet"

2. "Bridge to Terabithia"

3. "Holes"

4. "Number the Stars," Lois Lowry

5. "The Bad Beginning," Lemony Snicket

SEVENTH GRADE

1. "The Outsiders," S.E. Hinton

2. "Holes"

3. "The Giver," Lowry

4. "Harry Potter and the Sorcerer's Stone"

5. "Harry Potter and the Deathly Hallows," Rowling

EIGHTH GRADE

1. "The Outsiders"

2. "Harry Potter and the Deathly Hallows"

3. "The Giver"

4. "Holes"

5. "Harry Potter and the Chamber of Secrets," Rowling

NINTH-12TH GRADE

1. "To Kill a Mockingbird," Harper Lee

2. "Harry Potter and the Deathly Hallows"

3. "Of Mice and Men," John Steinbeck

4. "Harry Potter and the Sorcerer's Stone"

5. "A Child Called 'It,' " Dave Pelzer