The Light Between Us

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.
Dr. Aurora Lightweaver, haunted by the loss of her twin brother, builds a machine that translates emotions into light—the Heart Harmonizer.  Imagine grief as an amethyst nebula, joy a supernova of golden fractals.  Her invention promises to illuminate the hidden language of the human heart, but instead, it opens a door to another realm: the Lumina, a dimension woven from pure emotion.  Patients merge with holographic projections of loved ones, transitioning into spectral beings of light.
Panic turns to terror as Aurora realizes her creation is a Pandora’s Box.  She enlists the help of Dr. Ray Quantumshine, a brilliant but emotionally detached scientist.  Ray, a man trapped in his own self-imposed exile, initially scoffs at Aurora’s claims, but the Lumina’s impossible beauty cracks his carefully constructed world of logic.  Together, they uncover a chilling conspiracy: the Null, a shadowy organization, has been secretly funding Aurora’s research, intending to weaponize the Lumina and drain humanity of its emotional core.
As they race to stop the Null, Aurora and Ray’s collaboration sparks an unexpected connection, mirroring the very phenomenon they’re studying.  Their shared grief intertwines with burgeoning attraction, their bond visualized within the Harmonizer as a dazzling symphony of light.  But the Lumina isn’t a paradise. It's a realm of raw emotion where unresolved traumas manifest as shadowy entities, and the Null’s sinister plan threatens to force all of humanity into this beautiful, terrifying dimension.
Within the Lumina's radiant depths, Aurora and Ray must confront not only a scientific enigma but also the ghosts of their own pasts.  Their journey challenges the boundaries of reality, forcing them to question the nature of love, loss, and the potential for human consciousness to transcend its physical form. Can they stop the Null and save humanity from a fate worse than oblivion?  Or will they, too, succumb to the seductive light between us?