add a film library and books library

I'm new to these things and i have no experience of programming languages,and  i have just created an elgg site , i would like to know how to start adjusting my site as needed and add a movie and books library for users to have it as bookmark maybe or plugins but have no idea how to do it and I would appreciate if someone would help or guide me about it .

Beginning Developers

Beginning Developers

This space is for newcomers, who wish to build a new plugin or to customize an existing one to their liking