Buy train tickets online
Most of the train operating companies offer their own online system for buying tickets on their networks and for the whole UK network. We've basically linked to what we feel are the best resources available for buying train tickets on line. We've listed on site for the UK and one for Europe.
The trainline.com
The trainline.com online booking website allwows you to check any UK train time online, make reservations, and book tickets. Any kind of UK rail ticket can be purchased and they can either be sent to you through the post or you can pick them up prior to travel from your origin station.
DB
Website of the German national railways. Not only can you buy train tickets for travel throughout Germany, but you can also buy tickets for rail travel throughout Europe.