The Origin of Concepts
Susan Carey
The Art of Software Testing
Corey Sandler & Glenford J. Myers & Tom Badgett
The Scrum Culture: Introducing Agile Methods in Organizations
Dominik Maximini
An Introduction to Sociolinguistics - 6th. Edition
Ronald Wardhaugh
Life is real only then, when "I am"
Georges Ivanovich Gurdjieff
One Taste: Daily Reflections on Integral Spirituality
Kenneth E. Wilber