Harbinger of Doom (An Epic Fantasy Novel) (Harbinger of Doom Volumes 1 and 2)    by Glenn Thater
Price: $6.49 USD. 97320 words. Published on October 17, 2009. .
In Harbinger of Doom, Glenn G. Thater transports you to a time of legendary heroes, courtly intrigue, otherworldly evils, and ancient forbidden magics. Mad sorcerers open a gateway to the pits of hell, releasing demons of darkest nightmare; only the intrepid knights of House Eotrus stand in their way. Eotrus discovers a secret so horrifying it calls into question the very nature of good & evil.

The Fallen Angle (Harbinger of Doom Volume 2)    by Glenn Thater
Price: $3.99 USD. 32260 words. Published on October 17, 2009. .
The Fallen Angle is the second story in Thater's Harbinger of Doom fantasy series, continuing the events described in The Gateway. Claradon Eotrus discovers the mysterious knight Angle Theta’s secret – a secret so horrifying as to shatter a man's mind and call into question the very nature of good and evil.

Through the Portal (Book One in the Through the Portal Trilogy)    by Justin Dennis
Price: Free! 104450 words. Published on August 26, 2011. .
What's the worst part of falling through a portal to another world and not being able to get back? When the first person you meet almost gets you killed by a ferocious, fire-breathing dragon. Now, Jem, Oliver, and Sierra must set out across this new world to defeat the evil Veroci Regime that is stealing all the magic, but can they do it before the Dragon catches up with them?

Gateway to Nifleheim (An Epic Fantasy Novel) (Harbinger of Doom Volume 1)    by Glenn Thater
Price: Free! 65670 words. Published on November 30, 2012. .
Gateway to Nifleheim (approximate length 66,000 words) is a revised and significantly expanded edition of the first volume of the Harbinger of Doom saga, which was previously published as the novella entitled, The Gateway (length approximately 25,000 words). When mad sorcerers open a gateway to the very pits of hell, releasing demons of darkest nightmare upon the world, only the intrepid knights.