Sometime in early 2013, in Dallas, Texas, a generous reader donated his impeccable first-edition copy of Philip Roth's Our Gang to the local Goodwill store, its royal blue dust jacket gleaming as brilliantly as it did in 1971.
There it sat on a shelf, priced at $1, until a semi-trailer from Books Squared whisked it away among 3,000 other leftovers. At the Books Squared warehouse in south-west Dallas, Our Gang was checked and processed by receivers and a scrupulous quality-control team, who deemed the book "like new" before scanning it into their computer system to be sold online.