Today's free book is Heroes of myth and legend by B. I. Wheeler (1903), with illustrations by Beatrice Stevens. For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
Perseus
The Argonauts
The Chimaera
The Dragon's Teeth
The Adventures Of Ulysses
Horatius
Beowulf
The Stories Of The Volsungs
The Gudrum Lay
Olger, The Dane
Roland
The Story Of King Arthur
