My favorite guidebooks nowadays are these city and quick country guides from Open Road. It's advice with good taste and the compact format is easy-to-read with a ton of info in a small amount of space.
I must admit in the spirit of full disclosure, it's my brother's company who've done such a fine job on these guides. But who cares when they're offering the guides for less than $10 a piece and an even bigger discount when you purchase more than one?
The real question is: where to go for holiday after Paris? Thinking of the Basque region above Barcelona in Spain or heading South to Provence to see some parts we've never been. Anyone?