The Avenuege.com/library has free PDF essays & ebooks. Copyright is as stated inside each document. Each has a short filename. Here's a key to them, some of them have some more writing or editing before they are complete. More will be added (though there is much work with each). at1.pdf G15 PMN Programming for Absolute Beginners: G15 PMN Programming for Kids, vol. 1 of Art of Thinking at2.pdf G15 PMN Programming for Teens Up to at5.pdf, the most advanced in the series Art of Thinking by Aristo Tacoma. atm.pdf Magic of Time, Easy-to-read practical philosophy; essay/Booklet by Aristo Tacoma super-model-theory.pdf Advanced Computational Physics & Discussion; also part of the G15 PMN 3rd Foundation