The System Dynamics book we have made to use for teaching is now available online, here: LINK
Sverdrup H. (Ed.), Haraldsson, H., Olafsdottir, A.H., Belyazid, S. Svensson, M., 2018 System Thinking, System Analysis and System Dynamics: Find out how the world works and then simulate what would happen. 3rd revised edition. Háskolaprent Reykjavik. 310pp. ISBN 978-9935-24-425-3
Available online through Háskólaprent. Can be shipped worldwide.