If you're reading this, you probably don't even need it (as a Writer). If that is the case I advise you to print a few small copies and whenever somebody uses the wrong word just give it to them and walk away. No fuss.
To build up a library is to create a life. It's never just a random collection of books. - Carlos Maria Dominguez
Reading gives us someplace to go when we have to stay where we are. - Mason Cooley
Even a fictional killer needs to know their stuff. A reference chart of various entry and exit holes from different bullets.
If you're new, this is what it is to be a Writer. Getting caught researching weird and gruesome things to use in a story; we are the serial killers of our own characters. It's part of the job.