From the sands of the Sahara to a dystopian future, one man's ancient memory holds the key to humanity's fate. Gara awakens dying atop a desert mountain, his final memories encoded like fossils in crystal. Sold into slavery by his father, he survives the merciless salt caravans and the slave markets of medieval Awdaghost until alKhadir—the Green One—offers an irreversible gift: leap forward through time in search of a better humanity. Each jump hurls him into new eras of bondage and revolt—slave rebellions, colonial violence, and, at last, a dystopian regime where his own descendant, Tangalla, rules a toxic empire that turns the Sahara into the world's dumping ground. Across lifetimes he is bound to Vala, a love that flickers through the dark like a desert wellspring, as Gara grapples with memory and trauma, slavery and resistance, the fates of slaves and masters, and whether the cycle of power can ever be broken. Blending historical realism with visionary speculation, Barzakh: The Land In-Between channels the metaphysical intensity of African folklore and the stark poetry of a world unraveling—literary fiction about slavery reimagined through time travel, archaeology, and cosmic reckoning. Readers who come to the page for time travel romance books will find a fierce, tender thread between Gara and Vala; readers of dystopian and slavery books will recognize a chilling mirror in Barzakh's environmental collapse and tyrannies across centuries. For readers of Octavia Butler books— Kindred; Parable of the Sower; —as well as Nnedi Okorafor books ( Binti Trilogy) and Connie Willis; fans of Beverly Jenkins books who enjoy sweeping historical fiction with high stakes and heart; and anyone browsing top 10 historical fiction books lists. If you've searched for terms like books on slavery in america, the modern British slave trade, history of slavery, slave, slaves, or slavery, this visionary, crosstemporal epic belongs on your shelf. Key themes explored: *Medieval-to-future sweep: salt caravans, Awdaghost, rebellions, and a high-tech dystopia. *Big themes with high stakes: slavery, oppression, ecological collapse, memory, resistance. *For comp readers: Octavia Butler (Kindred, Parable of the Sower), Nnedi Okorafor (Binti trilogy), Connie Willis. *Emotional core: a crosscentury bond between Gara and Vala that will appeal to time travel romance books readers. *Smart and atmospheric: a desert epic blending history, metaphysics, and thriller tension.,