The best way to find similar books is to google "If you liked Wimpy Kid books". Sad, but true. The term "notebook novel" hasn't caught on quite yet. Let me know if I have forgotten your favorite! (And there had to be pictures-- credits at the bottom!)
Angleberger, Tom. The Strange Case of the Origami Yoda, Darth Paper Strikes Back, The Secret of the Fortune Wookie.
Barshaw, Ruth McNally. Ellie McDoodle.
Cooper, Rose. Gossip from the Girls' Room.
Friedman, Laurie.Oh, Boy, Mallory.
Greenwald, Tommy. Charlie Joe Jackson's Guide to Not Reading, Charlie Joe Jackson's Guide to Extra Credit.
Holm, Jennifer L. and Matthew. Squish, BabyMouse (More graphic novels)
Ignatow, Amy. The Popularity Papers.
Kloepfer, John. The Zombie Chasers. (Pictures, but not handdrawn script.)
Kowitt, Holly. The Loser List, The Loser List: Revenge of the Loser.
Mellom, Robin. The Classroom.
Moss, Marissa. Amelia.
Peirce, Lincoln. Big Nate: In a Class By Himself, Big Nate Strikes Again, Big Nate on a Roll, Big Nate Goes For Broke, also Big Nate comic books.
Patterson, James and Tebbets, Chris. Middle School: The Worst Years of My Life, Middle School: Get Me Out of Here.
Shreve, Steve. Stan and the Toilet Monster.
Skye, Obert. Wonkenstein: The Creature From My Closet.
Tashjian, Janet. My Life as a Book, My Life as a Skater Stunt Boy.
Vernon, Ursula. Dragonbreath.
A nice list of various funny books that are not necessarily notebook novels from The Salt Lake County Library Services can be found HERE.
Big Nate from http://www.bignatebooks.com/whats-new
Zombie from http://www.thezombiechasers.com/zombies.vm
Dragonbreath from http://ursulavernon.com/node/8
Charlie Joe from http://tommygreenwald.com/charlie-joe-jackson/
Sophia from http://rosecooperwriter.blogspot.com/