This image is the cover for the book The Secret of the Ninth Planet, Classics To Go

The Secret of the Ninth Planet, Classics To Go

The Secret of the Ninth Planet is a science-fiction novel written by Donald A. Wollheim and first published in 1959. Wollheim takes his heroes on a grand tour of the solar system as that team struggles to prevent an alien force from blowing up the sun.

Donald A. Wollheim

Donald Allen Wollheim (October 1, 1914 – November 2, 1990) was an American science fiction editor, publisher, writer, and fan. As an author, he published under his own name as well as under pseudonyms, including David Grinnell. A founding member of the Futurians, he was a leading influence on science fiction development and fandom in the 20th-century United States.

OTB ebook