This book is very well written and should be easy for beginners Reading. It is available in printed form or as a free online version. It is also relatively new (since 2003), which is not the case for many Prolog books.
I am looking for excellent beginner materials for Prolog, whether online or in print. I am not only interested in “learning languages”, but also in background and scientific information.
Check out Learn Prolog Now!
This book is well written and should be easy for beginners to read. It is available in printed form or as a free online version. It is also relatively new (Since 2003), and many Prolog books are not like that.