There are 43 books plus a video listed below that can be accessed for free. The written works are pdf editions of real world books.
Don't worry, you won't be asked to give up your e-mail for back-door marketing purposes. Of course, I remain hopeful that you might be willing to press the donate button that is located toward the bottom of each of the pages from which you can download a book and contribute some small amount of money to help me keep things going. Nonetheless, even if you leave my beggar's bowl in an empty state, you should know that I pray, God willing, you might find one, or more, of the works that are being made available through the following links to be of value to you in some fashion.
The material to which the following links will take you can be found (in the form of hard copies) among the extensive collection of books in Harvard University library system, one of the premier academic research universities in the world. So, unless your standards are higher than those at Harvard, then, you might want to take a chance and download some of the books listed below ... especially given that all this will cost you is (1) the small amount of time that will be required to download whichever items you might like and, of course, (2) the time you spend reading through and critically reflecting on the perspective that is seeking to engage you by way of the books that are calling to you ever so faintly (yet persistently). All of the ideas in the following books are intended to serve as 'food for thought' ... bon appétit