Uninspired and underresearched.
It's nice (and unexpected) that they managed to include such genuine quality designs as the Opinel and the Leatherman PST alongside the inevitable boring Bauhaus ugliness and Alessi garbage, but that's hard to appreciate too much when the text then proceeds to get very basic details of their histories wrong. Especially considering the ridiculous price of these books, that's really inexcusable.
Even putting aside the inescapable pretentious mainstays, there's a lot of chaff here; I know the sheer weight of these books is a lot of the appeal, but nobody cares about hundreds of completely interchangeable chairs (maybe one or two of them had genuine claim to inclusion in this kind of compilation). The compilers tend to mistake mere hideousness and impracticality for good design, and brand names for innovation (also included: the Apple iBook G4, the Apple iPod, the Apple iMac G5; I'm not sure the computer mouse would have been included if they hadn't managed to convince themselves to credit it to Apple).
If all you're looking for is a way to broadcast that you're a shallow, pretentious dick with more money than sense to your house guests, these books are a great purchase. If you want these books for any other reason, prepare to be disappointed.