There is something very, very wrong with your search. Doing a search for 'Lisp' yields 22 pages all containing the same book 'On Lisp'. I tried doing an advance

There is something very, very wrong with your search. Doing a search for 'Lisp' yields 22 pages all containing the same book 'On Lisp'. I tried doing an advanced search on titles only and got the same result. On a somewhat related note. I find it odd that you don't have a specific topic or category for Comp Sci/Programming. Just a topic for 'Science and Technology'. What is the difference between a category and a topic?