 These discrepancies were explained, after a fashion, in his later World as Myth stories.Heinlein's first novel published as a book, "Rocket Ship Galileo", was initially rejected because going to the moon was considered too far-fetched, but he soon found a publisher, Scribner's, that began publishing a Heinlein juvenile once a year for the Christmas season.Eight of these books were illustrated by Clifford Geary in a distinctive white-on-black scratchboard style.