Writing Guide with Handbook
Toby Fulwiler & Maria Jerskey & Michelle Bachelor Robinson
The Fourth Invasion
Henry Josephs
The Secret Adversary
Agatha Christie
The Ladies Book of Useful Information / Compiled from many sources
Anonymous
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
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
Elementary Algebra
Lynn Marecek & OpenStax & MaryAnne Anthony-Smith