Mo Willems: Elephant & Piggie and Pigeon books
Fly Guy
Rebecca Elliott's Owl Diaries
Rebecca Elliott's Unicorn Diaries
Aaron Blabey books: The Bad Guys, Pig the Pug
Elise Gravel's Disgusting Critters series
Diary of a Wimpy Kid chapter books
Big Nate graphic novels
Wings of Fire (chapter books and graphic novels)
Chi's Sweet Home series
Science Comics (nonfiction graphic series)
Breaking Cat News graphic novels
Bird & Squirrel graphic novels
Sunny Side Up series (graphic novels by Jennifer L. Holm)
Dog Man (graphic novels)
Raina Telgemeier books (graphic novels)
George O'Connor's The Olympians (graphic novels)
Nathan Hale's Hazardous Tales (graphic novels)