[5] The book was taught as part of a university course in “Forecasting via Mathematical Modeling” at Gustavus Adolphus College in 2009.

[7] The book begins with a general history of prediction from the Delphic oracle to the present day.

According to Orrell, the resulting model error (rather than e.g. the butterfly effect) is the main reason why forecasts go wrong.

[8] In the final part, the book turns to predictions for the future, including the long-term effects of climate change.

According to legend, the arrow was gifted by a priest to Pythagoras, allowing him to dart through space and time.