They're one of civilization's greatest inventions. Get a sturdy suitcase with wheels built-in. Wear comfortable shoes. Carry water and small snacks with you. Don't leave your bags unattended.
Trains are great places to read.
Bring a couple paperbacks with you. RailEurope Your European rail experts can provide you all the information you need on train travel in Europe. At this site you can also check train schedules and order Europasses. EuroRailways Another site to order Europasses and find information on train travel. All rights reserved.