If you have even a passing interest in modern folklore and its connection to ancient paganism I implore you to read Teutonic Mythology. It clarifies so many claims about modern culture having a connection to ancient paganism.

You will read about sayings, festivals, gods, folk stories and much more.

To think that it has been almost 200 years and Teutonic Mythology is still largely unsurpassed in folkloric studies.

Volume 1 Volume 2 Volume 3

Lastly, here is an overview of the chapters.