Which Best Sci-Fi Books With Romance Are Set On Mars Or Europa?

Disclaimer: Mature Audience Only! This book is specifically designed to be viewed by adults and therefore may be unsuitable for children under 18. This book may contain one or more of the following: crude indecent language, explicit sexual activity. “When passion takes control, nothing stays innocent.” Some cravings are too sinful to confess, too dangerous to speak aloud. '𝐒𝐈𝐍𝐍𝐄𝐑𝐒 𝐓𝐎𝐎 𝐍𝐄𝐄𝐃 𝐓𝐎 𝐓𝐄𝐋𝐋 𝐓𝐇𝐄𝐈𝐑 𝐒𝐓𝐎𝐑𝐈𝐄𝐒' which are whispered in the dark, written between trembling thighs, and etched in the silence after desire has burned through reason. Every fantasy in these pages is a secret you shouldn’t want, yet can’t resist. Every character is temptation draped in silk and sin. Every ending leaves you aching for just one more taste. There are desires you bury deep, the kind that scorch your soul with shame and hunger in equal measure. But sins don’t stay silent forever, they claw their way out, whispered in the dark, confessed with trembling lips, and written in the heat between forbidden bodies. 'Forbidden Romance Tales' dives straight into those steamy, secret affair where every touch and glance is electrified with forbidden desire. It's all about indulging in those hidden cravings with no boundaries, where pleasure knows no limits and desire is the only rule. When desire takes over, can love truly follow?

In a bleak future, the man with everything wants one more thing. Her. Tiernan is a man with everything, and he’s not used to being denied what he wants. When he sees Madison from a distance, he makes the arrogant decision to take her. Her family needs her, but she has little choice except to become the Commander’s new companion, albeit reluctantly. Life in the hub of power isn’t what she expects, and neither is Tiernan. He’s dark and demanding, but there are flashes of tenderness that have her falling for the man she glimpses inside the cold and exacting commander of their territory. Which Teirnan is the real one—the tyrant or the tender lover? At first, it seems impossible that she could ever be happy with the man who forced her to give up her life, but feelings grow between them. Their relationship reaches a fragile new level that could deepen to something neither expected, if betrayal and treason don’t separate the lovers.

In a world where the moon shattered and the strong devoured the weak, Neoma Solstice is nothing. A scentless Null. A ghost. A mistake. Until the day she saves a dying Lycan warrior with a touch, and her secret is revealed: she's Void-Born, the rarest mutation in existence. The same power that makes her invisible makes her invaluable—a living weapon that can cure the incurable Feral Rot plaguing the Lycan Ascendancy. Captured and collared, Neoma is forced to serve as "Tether" to Unit Vanguard: four elite soldiers on the brink of madness. Barzil, the ruthless Commander who sees her as a mission. Wolfy, the cold Tactician who sees her as a puzzle. Viggo, the feral Berserker who sees her as salvation. Guller, the fallen Priest who sees her as redemption. They own her contract. They control her life. They swear she's just a tool. But tools don't make their masters kneel. As Neoma's power grows, so does the threat she poses to the regime that enslaved her. When the prophesied Blood Moon rises, she'll have to choose: remain the Ascendancy's battery, or become the Void that devours them whole. Some bonds are forged in blood. Some in magic. Theirs was forged in desperation—and it might be the only thing strong enough to save a dying world. The Obsidian Covenant is a dark dystopian reverse harem romance featuring a morally gray FMC, four obsessive MLs, found family dynamics, enemies-to-lovers, rejected mate redemption, and a slow-burn that explodes into high heat. Perfect for fans of The Cruel Prince meets Den of Vipers in a post-apocalyptic wasteland. No choosing. No apologies. No mercy.

In the neon-lit shadows of Novela, Isabella Hart, a red-haired outcast, is drowning in betrayal. Bullied at school and abused by her family, her world shatters when her boyfriend spreads fake nude photos, driving her into the arms of a mysterious stranger for a reckless one-night stand. The next day, she’s stunned to find him—Sebastian Wolfe, a smouldering history professor and Lycan—standing at her lecture podium, his green eyes taunting her with their shared secret. But her life is about to get even worse as Caleb Reed, a charismatic senior with a demonic edge, who hides a deadly mission behind his seductive smile walks into her life. Both men are mated to Bella by the Moon Goddess, their rivalry igniting a lustful, dangerous love triangle. As Bella navigates forbidden passion and relentless torment, she uncovers a shocking truth: she’s a half-werewolf Moonborn, her red hair a mark of a rare lineage destined to destroy the BloodMoon pack’s evil Alpha, Marcus, and his Beta, Veron—Sebastian’s father. With Caleb’s obsession turning violent and Sebastian’s secrets threatening their love, Bella must embrace her powers to survive kidnappings, near-death ambushes, and betrayals that tear her heart apart. When her long-lost father resurfaces, Bella’s fight for her throne becomes a battle for survival, love, and redemption. In a city where werewolves lurk beneath skyscrapers, Bella’s destiny will burn bright—or consume them all. The Professor’s Mate is a dark, sensual werewolf romance, weaving lust, betrayal, and supernatural intrigue in a novel saga of a common human girl rising from ashes to claim her power as an Alpha in the werewolf realm.

Beyond Earth, there is an alien species known as the Dagerstanteens. These mighty warriors are wise, strong, and powerful. Unfortunately, they're dying out slowly. Just as the royal family accepts that they will be the last, a new hope arises. Humans. As each of these aliens discovers love, humans will sacrifice much, and both worlds will change forever.This story contains graphic sex, violence, non-consent, and erotic scenes with tentacles. 18+The Alien Love Series is created by C.M. Moore, an eGlobal Creative Publishing Signed Author.

Stella Grace is an astronomer who perceives coordinates in peculiar constellations. By following the path of the stars, she finds a supernatural world she never thought existed, and consequently saddles her destiny with a cruel alpha and little interest in being connected to an ordinary human. When the supernatural arises, doors open to reveal the influence of the moon and stars on the fates of these two creatures, but there are horrors and adventures that not even logic would be able to explain.