Subject: Re: Paris and Holland
Hi Graziella,

I don't know of an online way to buy train tickets in advance, but this site gives time tables and might help:

http://nsr.ns.nl/reisplan2a.asp

You can buy tickets in person in Amsterdam's Centraal Station. On the second floor near the VVV (tourist information office) there is a separate office for international train ticket information/reservation/purchase.

Erina Amsterdam http://www.VisitMuseums.com