By Definition:

Narratives featuring imagined scientific or technological progress or significant social or environmental changes.

Click each cover for a full book description.

Glitch

by Laura Martin

Regan must team up with her greatest enemy to prevent time-travel catastrophes while trying not to get arrested.

The Shadow Children and The Missing series by Haddix

The Strangers

by Margaret Peterson Haddix

The Greystone siblings are suspicious when another group of siblings with striking resemblance to their own family is kidnapped, and shortly after their mother disappears leaving cryptic clues behind her.

Variant (YA)

by Robison Wells

Foster kid Benson thinks he's caught a break when he gets a scholarship to the prestigious Maxwell Academy...that is until he realizes that the school is more like a prison with no adults, but also no escape.

The Hunger Games, The Testing, and Maze Runner

The Acceptance (YA)

by Ramona Finn

Tylia grew up in the Geos, underground, and her mother is dying. To save her life, Tylia must use her coding skills to hack her way into The Acceptance...a program that would give her a chance to visit the above-ground world and the society there waiting for her.