Middle School

1 The Worst Years of My Life (2011) (with Chris Tebbetts)
2 Get Me Out of Here! (2012) (with Chris Tebbetts)
3 My Brother Is a Big, Fat Liar (2013) (with Lisa Papademetriou)
     aka Big Fat Liar
4 How I Survived Bullies, Broccoli, and Snake Hill (2013) (with Chris Tebbetts)
5 Ultimate Showdown (2014) (with Julia Bergen)
5.5 How I Got Lost in London (2014)
6 Save Rafe! (2014) (with Chris Tebbetts)
7 Just My Rotten Luck (2015) (with Chris Tebbetts)
7.5 Going Bush (2016) (with Martin Chatterton)
8 Dog's Best Friend (2016) (with Chris Tebbetts)
Hollywood 101 (2016) (with Martin Chatterton)
9 Escape to Australia (2017) (with Martin Chatterton)
     aka Million-Dollar Mess Down Under
10 From Hero to Zero (2018) (with Chris Tebbetts)
11 Born to Rock (2019) (with Chris Tebbetts)
12 Master of Disaster (2020) (with Chris Tebbetts)
13 Field Trip Fiasco (2021) (with Martin Chatterton)
14 It's a Zoo in Here (2022) (with Brian Sitts)
15 Winter Blunderland (2022) (with Brian Sitts)
16 Million Dollar Mess (2024) (with Martin Chatterton)

Madness (2013)
Middle School Boxed Set (2013) (with others)
Middle School Treasure Hunters Collection 8 Books Set (2023)