Today, established brands, like Brioni and Canali, are offering updated takes on the classic banker's suit.

WSJ: Against the Grain

Restomods are classic cars that have been updated with modern technology: New engines, electronics and creature comforts.

FORBES: Restomod? Hot Rod? Classic? Barrett-Jackson Auctions Them All

If you finish Singh's code book and want to tax your brain even more, go back to David Kahn's 1, 200-page The Codebreakers, a classic that came out in 1967 and was recently updated.

FORBES: I've got a secret