Tourists arriving in Stockholm usually look forward to the Swedish capital's mix of history -- in places like Gamla Stan -- the vitality of its city center, and the tranquility provided by its unique archipelago.
Summer is in full swing. For most people, this means hitting the beach, firing up the barbecue, and relaxing poolside -- or at least daydreaming about it from the office. For CEOs, it may mean retreating to a Tuscan villa, docking the yacht in a remote island, or putting out fires in the boardroom. Regardless of their destination, C-suite executives are using a little downtime to catch up on their reading.