ISBN-13: 9781784162740 / Angielski / Twarda / 2017 / 160 str.
How do you apply game theory to select who should be on your Christmas shopping list ? Will calculations show Santa is getting steadily thinner - shimmying up and down chimneys for a whole night - or fatter - as he tucks into a mince pie and a glass of sherry in billions of houses across the world?