Missionaries will hand-deliver a free copy of the Book of Mormon if you fill out the form here. They are generally very nice.
You can also get the Book of Mormon free on Kindle, on Apple Books, as a PDF, as an epub, read aloud in mp3, as a dedicated Apple or Android app, or online.
I know the Book of Mormon is the word of Christ, and it has made an incredible difference to my life. You can learn more about it here.