We save lucy cases just for new people to go visit and get the book for the Skill Points when they are in NY.
Other than that one great resource (for new players who are also subscribed) is to get an invite to someone's apartment who has many of the books. Reading them there will give the same boost. GSS has a couple of apartments scattered through out the cities for this also.
For a listing of the books there are to look for:
http://www.globalsleuthsyndicate.org/books.asp