The disease has been referred to by several names, so it's worthwhile to try several different keyword searches to find everything on the subject:
If you're searching for scholarly articles, the terms COVID-19, 2019-N-COV, and SARS-CoV-2 will be most useful. If you're searching for news sources novel coronavirus and COVID-19 will likely be most useful.
News stories that are currently unfolding present some challenges to academic researchers. Because the story is emerging, the main sources of information are going to be news stories and, in this case, documents released by public health organizations and governments. While there are some scholarly articles published recently on COVID-19, you will not likely find books on this topic given the long publication timeline.
Google Scholar is the most likely source for finding the latest scholarly research on the Novel Coronavirus. Currently, COVID-19 and 2019-N-COV are the best keywords to use to find scholarly articles on the novel coronavirus.
Several scientific publishers and journals have put together collections of articles that are related to the coronavirus: