"The Sword of Johnny Damokles" by Hugh Frazier Parker is a science fiction novel written during the early 20th century. The story unfolds in a futuristic setting involving interplanetary travel, primarily focusing on the conflict with the Tsom Clan on Neptune. The novel explores themes of power, oppression, and the potential for unity amidst threats from a dictator's ambitions. The narrative follows Timmy Gordon and Johnny Damokles as they become prisoners of the nefarious Tsom Clan, tasked with constructing a devastating bomb intended to launch an invasion of other worlds. As they navigate their captivity, the duo hatches an escape plan rooted in Greek mythology, using a combination of clever mechanics and Damokles' old-world wisdom. Their escape efforts lead to a thrilling confrontation with the clan's leader, culminating in a audacious gamble involving the bomb itself, symbolically reflecting the precarious nature of power exemplified in the tale of Damocles. Ultimately, their ingenuity and camaraderie pave the way for a chance at freedom and a resolution to the looming threat. (This is an automatically generated summary.)