'Why Popcorn Costs So Much at the Movies, and Other Pricing Puzzles' seeks to unravel an array of pricing puzzles from the one captured in the book’s title to why so many prices end with '9' (as in $2.99 or $179) to why ink cartridges can cost as much as printers to why stores use sales,...

As OPEC has loosened its grip over the past ten years, the oil market has been rocked by wild price swings, the likes of which haven't been seen for eight decades. Crafting an engrossing journey from the gushing Pennsylvania oil fields of the 1860s to today's fraught and fractious Middle East,...