For textbooks, The Art of Prolog is highly accessible (https://mitpress.mit.edu/books/art-prolog https://mitpress.mit.edu/books/art-prolog), and The Craft of Pr

For textbooks, The Art of Prolog is highly accessible (https://mitpress.mit.edu/books/art-prolog https://mitpress.mit.edu/books/art-prolog), and The Craft of Prolog (https://mitpress.mit.edu/books/craft-prolog https://mitpress.mit.edu/books/craft-prolog) is not really appropriate for self instruction but is simply a delight to read (and you'll learn a lot of really, perhaps sometimes excessively, clever Prolog by reading it).