There is a lot of confusion out there today about the four gospels.
The four gospels are essentially "biographies" of Jesus that describe the events of His ministry, and yet many people do not know who wrote them or when they were written.
And these are very important questions. It is important to know if we can rely on these documents to be accurate sources of information about the historical Jesus.
The Christians Apologetics & Research Ministry has a good article that contains some excellent background information for someone who is just starting to research this topic: