I didn’t know either. I’ve even seen the name on Ace Doubles at a local used bookstore. I would have guessed, given that I live in an area with many of them, that he was a Finn. John Clute’s Science Fiction Encyclopedia entry on Petaja confirms he was an American of Finnish descent.
It also mentions that his best known work is a science fiction series based on the Finnish epic poem, the Kalevala. Ian Watson was later to do a two book series based on that work too: Lucky’s Harvest and The Fallen Moon. But, of course, Watson’s and Petaja’s series weren’t the only thing inspired by that Finnish saga. One J.R.R. Tolkien was a fan of it too. Thus, in some sense, Finland’s influence on modern Anglophone fantasy is rather like Jamaica’s influence on global popular music — way out of proportion to its size. Continue reading “Lord of the Green Planet”