World History, Volume 1
Ann Kordas & Ryan J. Lynch & Brooke Nelson
The Online World
Odd De Presno
The Call of the Wild
Jack London
Foundation of Physics for Scientists and Engineers
Ali R. Fa
Algebra and Trigonometry
Jay P. Abramson & Valeree Falduto & Rachael Gross (Mathematics teacher) & David Lippman & Rick Norwood & Melonie Rasmussen & Nicholas Belloit & Jean-Marie Magnier & Harold Whipple & Christina Fernandez
Elementary Algebra
Lynn Marecek & OpenStax & MaryAnne Anthony-Smith
Precalculus
Jay P. Abramson & Valeree Falduto & Rachael Gross (Mathematics teacher) & David Lippman & Melonie Rasmussen & Rick Norwood & Nicholas Belloit & Jean-Marie Magnier & Harold Whipple & Christina Fernandez