Prolog is generally regarded as a difficult language to get to grips with. The focus of this article is to select some of the finest Prolog books which help programmers master this language, and develop an in-depth understanding of recursion, constraint logic programming, and searching problem trees. All of the books are available to download for free.
To cater for all tastes, we have chosen a good range of books. All of the texts here come with our strongest recommendation. So get reading (and downloading).