Today's free book is Holy Lake of the acts of Rama by W. Douglas P. Hill (1952). For the table of contents, check at the bottom of this post below the image.
This is an English translation of Tulsidas's Ramacharitamanasa. You can find out more at Wikipedia.
The book is available at Internet Archive (I have not checked for other online sources).
Table of Contents
Introduction
Childhood
Ayodhya
The Forest
Kishkindha
The Beautiful
Lanka
The Epilogue
Appendix
