
Textbooks
(Collectively educating >1 million students)

Ecology: The Economy of Nature, 8th ed.
Rick Relyea & Robert Ricklefs (2018)

Essentials of Environmental Science, 2nd ed.
Andrew Friedland & Rick Relyea (2016)

Env. Science: Foundations & Applications, 2nd ed.
Andy Friedland & Rick Relyea
(2015)

Environmental Science for AP, 2nd ed.
Andrew Friedland & Rick Relyea
(2015)

Ecology: The Economy of Nature, 7th Canadian ed.
Robert Ricklefs, Rick Relyea, & Christoph Richter (2015)

Ecology: The Economy of Nature, 7th ed.
Robert Ricklefs & Rick Relyea
(2014)

Environmental Science for AP, 1st ed.
Andrew Friedland, Rick Relyea, & David Courard-Hauri (2011)

Essentials of Environmental Science, 1st ed.
Andrew Friedland, Rick Relyea, & David Courard-Hauri (2013)

Env. Science: Foundations & Applications, 1st ed.
Andrew Friedland, Rick Relyea, & David Courard-Hauri (2012)