Useful information to know about the Islam in general:
In Islam like other religion there are many things happening in daily lives that one should know about for example about the mosque about the family marriage, divorce , children school s, scholls of thought, what we need to learn about islam, how much we should do to take us in paradise. , the books of hadith from prophet (pbuh), about the rigtly kalifs, about the islamic laws and more which one need to use in his or her daily life in order to be successful.
blow are some useful links which it might help you to learn and stay in the right pass.
Books of Hadith, narration and sayings from prophet (Pbuh).
Marrage Or Divorce in Islam, links
About Four Kaliefs:
Who are the 4 Khalifas Islam?