I don’t really have suggestions for graphic novels, but here are some things I think she might enjoy reading:
Magic School Bus picture books
The Quiltmaker’s Gift picture book
Jon Scieszka picture books
Seymour Sleuth picture books by Doug Cushman
Amelia Bedelia picture books
Dear Mrs. LaRue picture books
Regarding the . . . books by Kate Klise (may require her to read cursive)
Wayside School books by Louis Sachar
Frindle by Andrew Clemens
Flat Stanley books
McBroom books by Sid Fleischman
Beverly Cleary
Princess Tales books by Gail Carson Levine
Princess in Black by Shannon Hale
Mrs. Piggle-Wiggle
Pippi Longstocking
Danny Dunn
Encyclopedia Brown
Einstein Anderson
Magic Treehouse
Time Warp Trio
Cam Jansen
Boxcar Children
Liza, Bill, and Jed mysteries by Peggy Parrish
Nancy Drew Notebooks/Nancy Drew and the Clue Crew
Rainbow Magic Fairy books by Daisy Meadows
Secrets of Droon (the special editions may be more intense)
Where the Sidewalk Ends by Shel Silverstein (quirky poetry)
Guinness Book of World Records
I Spy books by Jean Marzollo and Walter Wick
CDB (See the Bee) by William Steig
joke books (if you have the patience for Knock-Knocks)
Also, Scholastic has a whole line of series designed for early chapter books readers, called Branches. While my kids are older and I don’t have direct experience with these, I’ve heard a lot of great things about them.
https://www.scholastic.com/site/branches.html