Basic principles for the inexperienced traveler, who is considering a trip and uncertain about the value of travel agents, how to use them, how to get tickets, passports, visas, foreign money, etc. etc. Matters and manners of travel. To cruise or not to cruise. Hotels -- pensions -- lodgings. Trains -- planes or buses. Private cars or public. A book for plus sale every time you sell a travel book for a potential traveler.