Consider the food bank, a staple on the menu of nonprofits in most communities. Food banks collect unwanted food from donors, including supermarkets, food manufacturers, individuals and the government, and then distribute it to poor people through food pantries and meal programs. Last year alone, food banks affiliated with the Feeding America network distributed more than 3.6 billion meals to people in need.

What’s not to like? A good deal, says Andrew Fisher, a long-time anti-poverty activist and writer.

Fisher’s new book, Big Hunger: The Unholy Alliance Between Corporate America and Anti-Hunger Groups, argues that “anti-hunger work has become big business and big business profits from anti-hunger efforts.”