The Majesty of Calmness; individual problems and posibilities
William George Jordan
Meditations
Marcus Aurelius
Mathematics - Free of Worries at the University I
Christian Posthoff; Brand Steinbach
Business Law I Essentials
Mirande Valbrune & Renee De Assis & Suzanne Cardell & Tess C. Taylor & Natalie Sappleton & C. M. Mitchell & Kenneth Mitchell-Phillips
Concepts of Biology
Samantha Fowler & Rebecca Roush & James Wise