Today's free book is Hero Tales and Legends of the Rhine by Lewis Spence. For the table of contents, check at the bottom of this post below the image.
The book is available at Sacred Texts, Project Gutenberg, Internet Archive, and Hathi Trust. You can get a free Kindle ebook from Amazon too!
Map
Chapter I: Topographical and Historical
Chapter II. The Rhine in Folklore and Literature
Chapter III. Cleves to the Löwenburg
Chapter IV: Drachenfels To Rheinstein
Chapter V: Falkenburg to Auerbach
Chapter VI: Worms and the Nibelungenlied
Chapter VII: Heidelberg to Säckingen