reading level of captain underpants

Super Fly Guy (Scholastic Reader, Level 1) - (Scholastic Reader: Level 1) by Tedd Arnold (Paperback)

Star Wars: World of Reading: Meet the Galactic Heroes (Level 1 Reader Bindup) - by Lucasfilm Press (Paperback)

My Favorite Berenstain Bears Stories - (I Can Read Level 1) by Stan Berenstain & Jan Berenstain & Mike Berenstain (Paperback)

What Was I Scared Of - by Dr. Seuss (Hardcover)

The Hallo-Wiener - by Dav Pilkey

On A Scary Scary Night ( Can You See What I See?) (Hardcover) by Walter Wick

The Story Orchestra: Hansel and Gretel - 11th Edition (Hardcover)

Walter, the Farting Dog (Hardcover) by William Kotzwinkle

Bread and Jam for Frances - (I Can Read Level 2) Abridged by Russell Hoban (Paperback)

Cranky Versus the Cat - (I Can Read Level 2) by Phuc Tran

Clydeo Versus Peanut Butter - (I Can Read Level 1) by Jennifer Aniston

The Berenstain Bears Blast Off! - (I Can Read Level 1) by Mike Berenstain

Peanut Goes For the Gold - by Jonathan Van Ness (Hardcover)

The Spongebob Movie: Search for Squarepants: The Rescue Crew - (Step Into Reading) by Random House (Paperback)

Paddington and the Magic Trick - (I Can Read Level 1) by Michael Bond (Paperback)

Pete the Cat and the Bad Banana - (My First I Can Read) by James Dean & Kimberly Dean (Hardcover)

Elbow Grease: Fast Friends - by John Cena (Hardcover)

Can You See What I See? Toyland Express: Picture Puzzles to Search and Solve - by Walter Wick (Hardcover)

Pete the Cat Goes Camping - (I Can Read Level 1) by James Dean & Kimberly Dean (Hardcover)

Timmy Failure: The Cat Stole My Pants - by Stephan Pastis

Inside Out Step into Reading 3 Book Bind-up - Target Exclusive Edition (Paperback)

Gabby's Dollhouse: 5 Kitty Tales (Level 1 Reader Collection) - by Gabrielle Reyes (Paperback)

Goodnight Basketball - (Sports Illustrated Kids Bedtime Books) by Michael Dahl

Iris and Walter and the Field Trip - (I Can Read Level 3) by Elissa Haden Guest