Loaning out the three volumes separately tripled Mudie’s per-novel profit

Evidence

The three volumes, crucially, would be loaned out separately, guaranteeing Mudie a profit three times as great as for a novel in one volume. — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 609

Categorization

• corroborated: 2 independent passages support this claim — Andrew Pettegree, Arthur der Weduwen, The Library- A Fragile History, 609