Mr. Penumbra's 24-Hour Bookstore (Mr. Penumbra's 24-Hour Bookstore, #1)

by Robin Sloan

“The measure of a bookstore is not its receipts, but its friends,” he says, “and here, we are rich indeed.” Penumbra sees Corvina clench his jaw just slightly; he gets the sense that Mo’s clerk wishes they had some receipts, too.