She charts the stars. He calculates the odds. Neither predicted a bond this volatile.Shivani Solis doesn't believe in luck; she believes in flight plans, triple-checked coordinates, and total control. But when a mysterious sabotage sends her ship spiraling onto the hostile, volcanic moon of Ignis-4, her carefully ordered existence goes up in flames. Stranded with no ship and a ticking clock, her only hope for survival is a silver-skinned stranger who looks at her like she's a chaotic variable in an otherwise perfect equation. Zydar is a Vesperan scientist dedicated to one thing: logic. For years, he has lived in self-imposed isolation, fighting to stabilize the moon's collapsing core with pure mathematics. He has no time for distractions-until Shivani crashes into his sector. She is impulsive, emotional, and utterly infuriating. She is also, according to his sensors, his Optimal Genetic Counterpart-a biological match so rare it shouldn't exist between species. With the moon destabilizing and hostile Draken scavengers closing in, Zydar and Shivani are forced into a race against time. But the danger isn't just the magma rising beneath their feet-it's the undeniable, bio-chemical pull between them. To save the planet, they must abandon their defenses and synchronize their bodies and minds, surrendering to a passion that defies all reason. Logic says they're doomed. Instinct says they belong together. They have forty-eight hours to prove the numbers wrong.