I somehow hadn't noticed that Knuth recently released another book in his Art of Computer Programming series. Actually, it's not a book -- it's a fascicle (something I had to go look up on m-w.com). This one is part of what will be a multivolume series on combinatorics.
The full title is The Art of Computer Programming, Volume 4, Fascicle 0: Introduction to Combinatorial Algorithms and Boolean Functions. Another cool book to buy and only partially comprehend...
Simple solutions grade 4 pdf lessons
1 hour ago