The Mythology of the World Axis; Exploring the Role of Plasma in World Mythology by Marinus Anthony van der Sluijs - investigates and explains the plasma event known as the Axis Mundi, Tree of Life that appeared in ancient skies. Rens van der Sluijs explains this plasma mythology through an Electric Universe theory perspective.
Rens has investigated rock art petroglyphs with Tony Peratt and you can download the free PDF called Searching for Rock Art Evidence for an Ancient Super Aurora. Rens is a massive contributor to Thunderbolts Picture of The Day mythology section.
The original paperback version of this book was much shorter and therefore much cheaper, so I can not review the printed book as it is now.
Author review of The Mythology of the World Axis
Towards the end of the Stone Age, the sky was ablaze with awe-inspiring forms not seen today. Dominant among these was a towering, life-like pillar of light stretching from near the horizon to high up into space - the tree of life, the world mountain, the ladder to heaven. This message is heard in virtually every ancient society on earth, but while this 'world axis' is familiar enough to scholars, little sense could be made of the stories. The most conspicuous feature of the ancient cosmologies also remained the most elusive.