It’s freely available from Project Gutenberg.

The edition referenced in the article removes the last 4 chapters (13–16)

The book entered the public domain since I looked into it. Fun!

	▲	contact9879 3 days ago \| parent [-]
		Yep! It became public domain in the United States this year. But it's been public domain in Canada since 2020 (70y after death) and has been available from Canada's Project Gutenberg equivalent: https://www.fadedpage.com/showbook.php?pid=20200531