It's light, and slim enough to slip easily into a pocket or small bag, yet packs in a wealth of invaluable information including detailed listings of everything from museums and galleries to markets and gardens, recommendations on restaurants and night life. Several, more in-depth, articles cover major attractions including The Louvre and Notre Dame and feature useful floor plans. Metro and bus route maps will get wherever you want to go, and there's even a currency converter to help you sort the antique investments from the flea market bargains.