Rail pass for visitorsWhere and How to buy JR Pass: JR Pass user guide, how to use Japan Rail Pass to its maximum.
This posts give you all information about JR pass. You can find much more information than the official Japan Rail Pass site.
JR Pass exchange office
Rail pass for visitors
Station informationTokyo station guide. How to change the trains, Shinkansen, Narita Express and other local trains.
Tokyo station is one of the biggest terminal station in Japan. The station is huge and the structure is very complicated. I explain you about the structure of this station and how to change the trains .