The result is a deep dive into an extraordinary enterprise that has disrupted one industry after another while ignoring -- if not deliberately breaking -- most of the rules of modern business management.
Jobs, of course, looms large in Lashinsky's narrative, as do CEO Tim Cook and design chief Jony Ive. But it's Forstall who best fits Jobs' mold and seems most likely to eventually succeed him.
"Whether Forstall will happily remain a supporting player," Lashinsky writes, "will be one of the great internal dramas of Cook's tenure."