More Retro Hugo reading. I had not previously delved into "Darker Than You Think" by Jack Williamson. However, I was completely captivated by the story. It is a unique blend of urban fantasy and secret history. The narrative endeavors to unite all the myths of witches, vampires, and shapeshifters into a colossal and age-old conflict. There are two branches of humanity. One has the power to manipulate probability and matter, while the other is our more familiar kind of human. Defeated by normal humans countless eons ago, the potential of shapeshifters has persisted in humanity's gene pool. Through careful breeding, a new breed of shapeshifters is on the verge of emerging. But there are humans who are cognizant of this and have hunted down the ancient weapons once used to vanquish their archaic foe. It is truly an engrossing read, and in my opinion, it rightfully belongs among the other finalists.