Very nice! I would suggest to add them to https://github.com/EbookFoundation/free-programming-books https://github.com/EbookFoundation/free-programming-books a

Very nice! I would suggest to add them to https://github.com/EbookFoundation/free-programming-books https://github.com/EbookFoundation/free-programming-books as well. You will drive an incredible amount of traffic to your website this way.