About The Silent Guardian
The Silent Guardian is a time-travel science-fiction series by Dylan Callens about identity, causality, choice, and the consequences of trying to control history. The story follows Adam, a time-traveling operative raised by the Phylax, a secretive order that claims to protect humanity’s timeline.
As Adam begins to question the organization that shaped his life, the series opens into a larger conflict involving hidden agendas, competing ideas about the future, and the difficult question of whether history should ever be controlled at all.
You can read The Silent Guardian online in serialized installments, or explore the science and storytelling ideas behind the genre in our time travel theories and sci-fi physics hub.

The Silent Guardian: Book One
Book One introduces Adam and the Phylax through a mission tied to Emperor Qin Shi Huang. What begins as an assignment becomes a crisis of loyalty as Adam starts to uncover contradictions in the version of history he has been taught to defend.
The novel combines historical settings with time-travel questions about fate, free will, paradoxes, and the price of changing the past.
About Dylan Callens
Dylan Callens writes science fiction that explores the intersection of speculative ideas, philosophy, history, and storytelling. His interests include time travel paradoxes, classic science fiction, unusual historical events, and the ways fictional futures can challenge how we think about the present.
Alongside the novel series, Silent Guardian Books publishes articles for science-fiction readers and writers, including science fiction ideas for readers and science fiction writing resources.
Questions about the books or the site? Contact Dylan Callens here.
