Complex sentence: Southern finished the book in Geneva over the fall and winter of 1958-59 and it was published by Andre Deutsch in spring 1959 to mixed reviews, although it soon gained an avid cult following.
Split into simpler sentences: Southern finished the book in Geneva over the fall and winter of 1958-59. It was published by Andre Deutsch in spring 1959 to mixed reviews, although it soon gained an avid cult following.