Jack of Shadows
A science fantasy novel set on a tidally locked world.
Jack of Shadows is a science fantasy novel by American author Roger Zelazny, serialized in The Magazine of Fantasy and Science Fiction in 1971 and published in book form that same year. The novel was nominated for a 1972 Hugo Award and a 1972 Locus Award, finishing fourth in the Locus Poll for Best Novel.
- author
- Roger Zelazny
- published
- 1971
- genre
- Science fantasy
- nationality
- American
- award_nominations
- Hugo Award nominee 1972, Locus Award nominee 1972
Lore & Background
The novel is set on a tidally locked planet where one side is always in light and the other in darkness. Science rules the dayside, while magic holds sway in the night. Powerful magical entities live on the night side, drawing power from distinct loci. The main character, Jack of Shadows (also known as Shadowjack), is unique among magical beings because he draws his power from shadow itself, not from a physical location. He is nearly incapacitated in complete light or complete darkness, but with access to even a small area of shadow, his potency is unmatched.
Jack's only friend, the creature Morningstar, is punished by being trapped in stone at the edge of the night, to be released when dawn comes. His torso and head protrude from the rock, and he awaits the sun that will never rise. Jack seeks 'The Key That Was Lost', Kolwynia, which parallels his own progress and ultimately leads to both his salvation and his doom. Fleeing the dark side, Jack uses a computer to recover Kolwynia, becoming unbeatable but not all-powerful. After making a mess of ruling, he seeks Morningstar's advice, who tells him to destroy The Machine at the Heart of the World and set the planet rotating.
Zelazny intended the name, but not the title character, as an homage to writer Jack Vance. He wrote the novel in first draft with no rewrites. The serialized version and the later book differ slightly; a copy-editing error garbled a conversation in chapter 6, with the correct version appearing in the original magazine publication and reprinted in The Collected Stories of Roger Zelazny, Volume 3.
Reader's Guide
Jack of Shadows is significant as a nominee for both the Hugo and Locus Awards in 1972, reflecting favorable reader response despite mixed critical reception. Lester del Rey found the opening half enjoyable but the conclusion grim and dull, questioning the point of the hero's unrevealed biography. The novel's unique premise—a tidally locked world where magic and science divide the hemispheres—showcases Zelazny's imaginative world-building and his homage to Jack Vance's exotic landscapes. The work inspired a song by the band Hawkwind on their 1979 album PXR5, and a spacecraft named Jack of Shadows appears in Daniel Keys Moran's novel The Long Run. Zelazny declined to write a sequel, citing satisfaction with the ambiguous ending, but wrote several prequels, including the short story 'Shadowjack' and the outline 'Shadowland' for an unproduced animated movie. The novel's legacy includes continued interest in its variant texts and the character's expanded history in later collections.
Did You Know?
- The novel was serialized in The Magazine of Fantasy and Science Fiction in 1971 and published in book form that same year.
- A copy-editing error garbled a conversation between Jack and Morningstar in chapter 6; the correct version appeared in the original magazine publication.
- Zelazny wrote the novel in first draft with no rewrites.
- A song titled 'Jack of Shadows' by the band Hawkwind appears on their 1979 album PXR5.
Frequently Asked Questions
What is Jack of Shadows about?
The novel follows a young man named Jack who lives on the perpetually dark hemisphere of a tidally locked world and discovers he can conjure living shadow beings that act as extensions of his own will. His story becomes a rebellion against the oppressive rulers of the sunlit side, who have kept his people subjugated for generations.
What powers does Jack have?
Jack can manifest autonomous shadow entities that think, move, and fight independently while still serving his broader purposes. These shadows essentially externalize fragments of his own consciousness into physical form, making them both his greatest weapon and a reflection of his inner self.
Who is the main antagonist in Jack of Shadows?
The primary opposition comes from the entrenched ruling authority on the Day side of the world, a power structure that has maintained dominance over Night-side inhabitants through fear and systemic control. Jack's conflict is fundamentally a struggle to topple this hierarchy rather than a fight against a single villain.
How does Jack of Shadows end?
Jack ultimately turns his shadow abilities against the Day-side rulers, using the very power they feared to dismantle their hold over the Night side. The story closes with the old order broken and Jack having reshaped the balance of power on the world.
Where does Jack of Shadows fit in Zelazny's career?
Serialized in The Magazine of Fantasy and Science Fiction and published in book form in 1971, it arrived during the same period Zelazny was building his reputation with the Amber series. The novel earned him both a Hugo and a Locus nomination for 1972, with the Locus poll placing it fourth for Best Novel.
More in Novels by Roger Zelazny 1-24
Spotted an error? Know more?
This is a living reference — every entry is fact-audited, and reader corrections feed straight into our audit queue. Suggest an edit · See this site's audit record