Honestly, if you're running an algorithm based solely on circulation numbers without taking into account at least one "Greatest 100 books of all time" list then

Honestly, if you're running an algorithm based solely on circulation numbers without taking into account at least one "Greatest 100 books of all time" list then you're overweighting immediate observation and underweighting historical consensus. ... Besides, what's the point of having books on shelves if you can't browse and find something great?