Internet.

I used Google to search for a site by entering young adult librar* resources in the search box. I was very pleased that I received a very relevant hit on the first result with Resources for Teen/YA Librarians form the East Greenbush Community Library. The site is located at: http://www.eastgreenbushlibrary.org/teen/yalibs.asp. The site is divided into different categories of resources for the librarian such as books and websites. and

I chose this site because I believe it is vital to have resources for your line of work. Things can change so rapidly, it is a good idea have place to go in order be kept informed of the latest happenings in whatever field of librarianship you chose to enter.