Chosen at random from all the resources listed:
- When a Butterfly Sneezes: A Guide for Helping Kids Explore Interconnections in Our World ... by Linda Booth Sweeney
- The Fifth Discipline Fieldbook : Strategies and Tools for Building a Learning Organization by Bryan J. Smith, Peter M. Senge, Richard B. Ross, Charlotte Roberts, Art Kleiner
- The Systems Bible: The Beginner’s Guide to Systems Large and Small (3rd Edition) by John Gall
- Aircraft Systems: Mechanical, Electrical and Avionics Subsystems Integration, 3rd Edition by Allan Seabridge, Ian Moir
- Writing Better Requirements by Richard Stevens, Ian F. Alexander