@apolaine @rvkennedy @immibis @pluralistic @funcrunch @kcoyle
From the editor's blurb, that book seems to be a big load of bullshit.
Since much before the "agrarian societies", up to a couple of centuries ago, people have been using commodities as money. Shells, flint, useful metals, barley, salt, tobacco rope, cows, ... Debt is a separate concept. It requires means to record it and to enforce its collection, which came much after money.