“The probability of finding a particular book increases in relation to the clarity of the store's focus, the diligence and shrewdness of the bookseller, and the size of the business.” BookFocusParticularFindingsIncreaseRelationSizeStoresClarityProbabilityDiligenceBooksellersShrewdness Book:So Many Books: Reading and Publishing in an Age of Abundance Source: So Many Books: Reading and Publishing in an Age of Abundance