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The Space Between Worlds is a prominent example of Afrofuturism, a cultural aesthetic and genre that explores the intersection of the African diaspora with technology and futurism and critiques contemporary social and racial injustices. Blended with many of the hallmarks of dystopian literature, the novel uses its science-fiction setting to build a powerful allegory for real-world manifestations of systemic inequality, following in the footsteps of celebrated titles such as Octavia Butler’s Parable of the Sower (1993) and its sequel, Parable of the Talents (1998). Narratives in this highly specialized genre are designed to highlight, examine, and indict real-world social injustices that are often marginalized or ignored entirely. Within The Space Between Worlds, this pattern is most plainly evident in the divisions that separate the inhabitants of the wealthy, walled Wiley City from the impoverished denizens of Ashtown’s toxic wastelands. Steeped in corporate corruption and rampant prejudice, this society operates on a rigid class hierarchy in which geography dictates who has access to safety and who is deemed expendable.
The blatant inequality of this situation is further exacerbated by the ruthless recruitment tactics of the Eldridge Institute, which hires traversers from beyond the safety of Wiley’s walls simply because their disadvantaged circumstances have resulted in their counterparts’ deaths on many different worlds. Ironically, those who are the most privileged—the inhabitants of Wiley City—are ill-suited to the task of traversing because their wealth and access allows them to survive in most worlds. Within this context, the protagonist’s cynical labeling of the Ashtown residents as “trash people” (5) acknowledges the harsh reality that marginalized communities are often exploited for dangerous labor.
The Ashtown residents’ collective plight also echoes the modern reality that low-income communities often bear the brunt of environmental pollution and hazardous waste disposal, while more affluent communities blithely pretend that these problems—and the deaths that they cause—do not exist. Alternatively, from a more politically oriented perspective, Johnson’s use of a fortified city also evokes contemporary debates over border walls, such as the one at the US–Mexico border, as these issues physically manifest in harsh policies of exclusion, creating stark divisions between neighboring populations. By grounding the novel’s futuristic premise in these tangible social issues, Johnson uses the Afrofuturist lens to examine the various ways in which class, race, and privilege continue to shape people’s individual destinies, and its dystopian vision is meant to be a sharp reflection of the modern world’s most shameful flaws.
Micaiah Johnson builds the premise of The Space Between Worlds on the “many-worlds” interpretation of quantum mechanics. First proposed by physicist Hugh Everett III in 1957, this theory suggests that every quantum event with multiple possible outcomes causes the universe to split into parallel universes: one for each possibility. In this model, an infinite number of alternate realities is posited to exist simultaneously, allowing for many different versions of individual people to exist as well. The novel directly engages with this concept by opening with an epigraph from physicist Brian Greene’s book, The Hidden Reality, and outlining the idea of doppelgängers who live out alternate lives, taking myriad paths based upon their unique responses to external events.
Because the entire plot is driven by the “traversers’” ability to hop from one world to another, Johnson imposes a system of pragmatic rules upon this scientific framework in order to hone the nuances of her world-building. Specifically, the narrative cannot function without a crucial rule: that a person cannot travel to a world in which their counterpart, or “dop,” is still alive. As the protagonist explains, “If you’re still alive in the world you’re trying to enter, you get rejected” (5) by the universe itself—which many traversers personify as a goddess (or an elemental force) called Nyame. This rule forms the basis of Cara’s unique “value” to the executives at Eldridge, for it is her very rarity across the multiverse that allows her to access so many worlds: places in which her grossly disadvantaged circumstances have already wrought her counterparts’ deaths in a myriad of ways. The concept of the multiverse has become a popular trope in contemporary science fiction narratives, appearing in films like Everything Everywhere All at Once and in media franchises like the Marvel Cinematic Universe. However, in The Space Between Worlds, Johnson uses this established scientific theory as the foundation for her more philosophical exploration of identity, inequality, and fate.



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