A cruise is a complete vacation, so it's important that you choose the one that's right for you. Frommer's Cruises & Ports of Call is the most user-friendly, opinionated, and comprehensive guide you can buy before you set sail. We provide in-depth coverage on cruises departing from U.S. ports to the Caribbean, Alaska, Bermuda, Mexico and Canada. Unlike rating systems used in other guides, our system is simple. We break down the essential elements of a cruise experience (dining, activities, children's activities, entertainment, service, overall enjoyment, and overall value), and rate them from "poor" to "outstanding." Photos of each ship combine with the text to give a better sense of the very real differences among the various lines. Most important, this is the only cruise guide that provides the real prices people pay for cruises, not just the rack rates. Other guides tell you that a seven-night cruise aboard Norwegian's Norwegian Jewel c...