Whirlwords is an interesting twist on those pencil and paper word chain games where you must "evolve" one word into another by changing a single letter at each step.

This book challenges the mainstream paradigm, which is based on the inter-temporal optimisation of welfare by individual agents, and introduces a new methodology for studying how it is institutions which create flows of income, expenditure and production together with stocks of assets (including money) and liabilities evolve through time