Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Justine McKeen, Queen of Green | 2011 | Sigmund Brouwer | Buy |
| 2 | Justine McKeen, Walk the Talk | 2012 | Sigmund Brouwer | Buy |
| 3 | Justine McKeen, Pooper Scooper | 2012 | Sigmund Brouwer | Buy |
| 4 | Justine McKeen, Eat Your Beets | 2013 | Sigmund Brouwer | Buy |
| 5 | Justine McKeen and the Bird Nerd | 2013 | Sigmund Brouwer | Buy |
| 6 | Justine McKeen vs. the Queen of Mean | 2014 | Sigmund Brouwer | Buy |
| 7 | Justine McKeen, Bottle Throttle | 2016 | Sigmund Brouwer | Buy |
| 8 | Justine McKeen, Thermostat Chat | 2017 | Sigmund Brouwer | Buy |
The Justine McKeen series by Sigmund Brouwer follows a young girl whose enthusiasm for environmental causes drives each story. Starting with Justine McKeen, Queen of Green (2011), the eight-book series covers topics from composting (Eat Your Beets) to recycling (Bottle Throttle).