One of the great resources available on the Internet is the ACM Digital Library . One of the problems for many is that access to this library is not free. I am a long time member of the ACM especially of SIGCSE – the Special Interest Group in Computer Science Education – and that membership gets me access to the SIGCSE publications which I read regularly and whose archive on the Digital Library I find very useful. My employer provides access to the wider collection as well. This is not an option for everyone however. Teachers particularly have limited budgets for memberships, subscriptions and more