Find Greatest Adventurers on social media. Every time we post a new book, it is also posted on Instagram and Facebook. Furthermore we send out a roundup in our newsletter.
Follow us here:
https://www.instagram.com/greatestadventurers/
https://www.facebook.com/freebooksonadventuresandtravels/
If you want more free books, we also maintain this library with free PDF e-book on religion, philosophy and spirituality here: