Today's free book is Byliny book: Hero tales of Russia by Marion Chilton Harrison (1915) with illustrations by Hugh Stewart. For the table of contents, check at the bottom of this post below the image.
The book is available to read online at Hathi Trust (I have not checked other online sources).
Table of Contents
The Story of Volga
Mikula the Villager's Son
Svyatogor
Svyatogor and Ilya of Murom
Ilya of Murom and Nightingale the Robber
