@book{74490,
	author = {Wollheim, Donald A.,},
	title = {The Secret of the Ninth Planet},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Secret_of_the_Ninth_Planet},
	url = {https://www.gutenberg.org/ebooks/33644}
}