The War Prayer
Mark Twain
Healthy or Else
Allan B. Regier
College Physics for AP® Courses
Irna Lyublinskaya & Gregory A. Wolfe & Douglas Ingram & Liza Pujji & Sudhi Oberoi & Nathan Czuba & Julie Kretchman & John Stoke & David L. Anderson & Erika Gaspar
Elementary Algebra
Lynn Marecek & OpenStax & MaryAnne Anthony-Smith
Food and Health
Lydia E. Pinkham Medicine Company