Best Young Adult Sci-fi Books

"Days that you need to change back isn't that impossible with a Time Machine." Bold letters were written from the machine itself....One day I got lucky! I found a time-travelling machine! No one knows where this time machine came from. So I did was to try this machine. At first, I don't believe it but it worked! If God sent me this heavenly machine then I won't eat noodles again! Never ever in this life anymore!I can be the best of all!To be continued...Satou, D.

What will you do on the day of the End? Will you take time to do a particular thing? Will you travel the world? Or you will just sit back and wait for it to happen? There are many possibilities for a person to choose; But for us… There is only one choice to go, that is to play an augmented reality game. This is the story of Azriel Iliac, the notable weakest amongst the challengers. In the world where doomsday is already a forgone conclusion, and demons, monsters and mythical creatures already infested the surface, people had been given a second chance through Evangelion: a massive multiplayer role-playing augmented reality game that had emerged randomly in the net a year ago. For some particular reason, the players of Evangelion, most known as Challengers, have displayed enough power to fight back against the irregularities of the ending world. The game has only one goal: to survive the trials of God, and prove themselves as the victor who will lead humanity to its final conclusion, the Judgement Day. The only question is who shall it be?

Alex is the young master of the richest family in the world, a man whom many princesses want to marry. However, he’s treated worse than a nanny by his mother-in-law

When Shay lost her father at 16 years old she became the sole provider for her mother and brother. This meant giving up on her dreams of becoming an architect and working day and night to help support her mother. After many unsuccessful job interviews, Shay lands a job as the executive assistant to the CEO of one of the world's most renowned architectural firms in the world. Just when she believes her life is on the right track she meets a mysterious stranger while she's out celebrating her new job with her two best friends. One night passion led Shay down a path she never expected. Waking up next to the handsome stranger, in Las Vegas with a hangover from hell, a diamond engagement ring on her finger and a marriage certificate with her name scrawled next to another...Tristan Hoult. (Accidentally Yours: 151 Chapters & The sequel Love Me Again: 131 Chapters)

After an unexpected divorce, Alina goes back to her hometown in search of a new place to call home. With a strict budget, and little wiggle room, she finds herself settling for a charming small cottage style home on the outskirts, that nobody seems to want. It's a steal! The only draw back seems to be the intimidating neighbor. As odd things start happening, and an unusual encounter, Alina realizes she might her gotten more than she bargained for.

"Kill me", whispered Ronald Sam/John held the gun to Ronald's face. "Kill me",said Ronald,"What are you waiting for?" "Why did you do this?",asked Sam pointing at the ruins of the once beautiful city,"Why did you do this?!" Ronald licked his lips and said,"I knew I was the villian, the broken one. I knew no one would come to my grave to mourn me or leave me flowers or miss me! I knew I was the bad one! " He looked up at Sam and again said,"I knew I couldn't be forgiven. I know what I deserve" Sam , with tears in his eyes snarled ,"And what do you deserve?!" "I deserve to die. I deserve to be killed",said Ronald, with some final remorse in his voice and moisture his eyes. ************************* Ronald, a famous , successful and evil chemist, decides to make a vaccine, not to cure , but to destroy the world. He dedicates five years of his life in it. And he succeeded in making what he wanted . But did Ronald do it just because he wanted to? Or the evil scientist decide to go rogue? No. He had some reasons. But he doesn't see that others have family too. Vengeance has blinded him. But that doesn't mean it's too late. It's never too late. But then, after everything has been destroyed, can it be fixed?.....Ever heard of time travel?....Yes, it's real.....Real than reality itself.

Cara Nelson is the daughter of two Guardians. Her mother gave her life saving the pack’s Luna and their young son, Rik, the future alpha. Her father became paralyzed while protecting the pack’s Alpha. Cara is meant to become the Guardian for Rik when he takes over as Alpha, but Rik doesn’t even know who she is. When the Alpha of a neighboring pack expresses his desire to take her as his mate, Cara gets caught in a battle between Alphas. Both of them want her as their Luna, but is it only because she is a Guardian who can strengthen their pack? While balancing her attraction to two alphas, she finds her destiny may not be as clear as she thought. Rather than her wolf having the soul of a reborn guardian like her mother and father, Cara learns that she and her wolf are the only ones in history known to have been born a guardian. When a third contender for Cara’s hand tries to force her to become his Luna, her Alphas must rescue her before it's too late. Cara is destined to be a Luna, but will it be by force, by fate, or will she make her own choice? This is Book One of the Guardian trilogy.

(David & Kate) He forced her into marriage; he gave her everything she wished to have, except she couldn't look at any other man with her beautiful gaze, she couldn't love anyone but him; she was his; he was obsessed with her, someone asked him "Why are you heartless?" He replied, "Because I have already given her my heart" Everyone was getting jealous. he had become an international magnate controlling business, law, and the underworld. "You have more than enough power; why want to obtain more? " He declared, "I want to become the king of the world to make the world bow in front of her." he had become a wife-spoiling manic. They turned to her, "I'm the queen. Isn't this why he became the king? " She boldly proclaimed. Everybody almost vomited blood because of her words. This husband-and-wife would torture S country's people to death. Life was never easy for David and Kate, but they found each other and became each other's souls. (Ace & Nina) She despised men because they were beasts in human flesh; besides her brothers, she felt disgusted toward all men caused of a past nightmare. She committed to letting no man in her way of life, but a devil himself forced his way into her life, and fate drew them together; Naive Angle didn't know she shouldn't make any deal with a devil who has no morals because the devil's deal always comes at a price. He's a devil who plays with death every second of his life, and she's a broken-winged angel who tried to fight against her fate. Insta: tsi-author-official FB page: TSI's Books Worlds

After just a week of getting dumped, Gabrielle Taylor learned from a common friend that her ex-boyfriend and best friend were already engaged. Enraged by their betrayal, Gabrielle crashed into their engagement party and drank to her heart's desire. She put up a face and even wished her best friend and ex-boyfriend all the best. Claiming to already be in a relationship, Gabrielle walked up to a stranger and kissed him outright! . *** Other than his mother, his sisters, and his niece, Kyle Wright, the CEO of the Wright Diamond Corporation, never batted an eye for a woman. He was satisfied, running a business, not intending to be in any relationship. One evening, while excusing himself from a family gathering, a girl came up to him and kissed him out of the blue. His heart raced! Except for the drumming sensation in his chest, he felt everything around him turned mute. He took a deep breath and savored that blossoming scent, coming from the girl. His eyes unwittingly closed as he found himself relishing the brief but stirring kiss! When the kiss ended, Kyle's eyes struggled to open. It was as if time had stopped, and it suddenly dawned on him that for the first time since he could remember, he experienced what it felt like… getting a boner. After that fateful kiss, he swore to make Gabrielle his. *** Book 3 of the Wright Family Series Book 1: Mommy, Where Is Daddy? The Forsaken Daughter's Return Book 2: Flash Marriage: A Billionaire For A Rebound Book 4: The Devil's Love For The Heiress Book 5: I Fell For The Boy His Daddy Was A BonusNote: Each story can be read as a standalone. Follow me on social media. Search Author_LiLhyz on IG & FB.

Based on what are only men allowed to have affairs? Bella witnessed with her own eyes her husband, with whom she had been living for three years, having an affair with her best friend in their workplace. She questioned the value of love and loyalty that she had devoted to this marriage. In order to get revenge on the two betrayers, she slept with another man, experiencing a taste of sexual pleasure she had never tried before. However, what she did not expect was that the man she shared that passionate night with was her husband's friend. He became possessive and obsessed with her.