DeAGOSTINI's Railway Data File, complete set of 300 volumes. The contents are categorized as follows: 1. JNR/JR Rolling Stock 2. Private Railway Rolling Stock 3. Express Train Lines 4. World's Famous Trains 5. Station Profiles 6. Railway Exploration 7. Railway Technology 8. Railway History It covers generally all aspects of railways. While I cannot introduce everything, the series guide should give you a general idea. The files are organized by category number, but some files may be missing the spine label with the category name and number.