So here is a compilation of the books suggested by everyone. If you have any to add to it, let me know in the comments and I will make sure to add it to the list.
PS. I have tried to link up most of them to Amazon. They are my affiliate links, just FYI.
Book Titles for 3rd-5th Grade Reading
Author Suggestions for 3rd-5th Grade ReadingBlue Balliett
Trenton Lee Stewart