What are the best young adult dystopian novels?

Allegiant, the last book in Veronica Roth's Divergent trilogy, is centered on Tris and Tobias, and how they try to understand human nature while choosing between courage and allegiance, and sacrifice and love. 

The Giver is a book by Lois Lowry that tells the story of Jonas, a boy who lives in a very structured society where everyone has a role. He will soon discover what his role is meant to be, and it will change his life.

Pandemonium, the second book in Lauren Oliver's Delirium trilogy, is centered on Lena and her adventures in the Wilds, or the area outside the walls where she was raised in. Alone in the strange lands, Lena learned something she never thought she would know.

Uglies is the first book in the young adult dystopian series Uglies written by Scott Westerfeld which centers on Tally who can't wait anymore to turn sixteen as she will have an operation to turn into a pretty girl.

Insurgent is the second book in Veronica Roth's hit young adult series Divergent. It is about a girl named Tris and her journey to uncover the history of her world. 

Mockingjay is the third installment in The Hunger Games Trilogy written by Suzanne Collins. It is the final chapter of Katniss Everdeen in her revolution against the capitol as she serves to be the rebels' Mockingjay.

The Maze Runner is James Dashner's young adult dystopian novel about a group of teens inside a walled settlement surrounded by a wide and dangerous maze. It has been adapted into a film series. 

Glass Sword is the second book in the young adult dystopian novel Red Queen written by Victoria Aveyard which continues to follow the story of the adventures of Mare Barrow and Maven, the prince. 

The One, the 3rd book in Kiera Cass' The Selection series, is about America Singer being torn between her first love Aspen and Prince Maxon, whom she has grown to love during her time in the Selection.

Flashtide is the second book in Jenny Moyer's dystopic, adventure, and thrilling series for young adults, Flashfall. It was released in November 2017. It followed the famous series opener, Flashfall.

Sky on Fire is the second book in the apocalyptic adventure series for young adults, the Monument 14 series. It is authored by Emmy Laybourne and was released in 2013. It is about a group of kids inside a superstore during an apocalypse.

Runebinder is the first book in Alex R. Kahler's dystopic fantasy two-book series for young adults, Runebinder Chronicles. It was originally released in November 2017. It is about a teenager trying to save the world from further destruction using magic.

City of Stairs is the first book in the dystopic science fiction, and fantasy series for young adults, the Divine Cities. It was written by Robert Jackson Bennett and was first released in October 2014.

The Ask and the Answer is the second book in the Chaos Walking series. This young adult science-fiction novel is written by Patrick Ness and was originally published in 2009.

Monsters of Men is the third book in the Chaos Walking series written by Patrick Ness. This young adult science-fiction and dystopian book was originally published in 2010.

Incarnate is the first book on the Incarnate trilogy written by Jodi Meadows which centers on Ana living in a world where once you die you come back reincarnated in another body. 

Lighthouse Island: A Novel is a dystopic, dramatic romance and adventure novel for young adults written by award-winning author Paulette Jiles. It was originally released in July 2014. It is about an orphan looking for paradise in a destroyed world.

Horus Rising is the first book in the Horus Heresy series. The young adult, science fiction book is written by Dan Abnett and was first published in April 2006. It is about Horus, a Warmaster who replaces the retiring Emperor.

The Primarchs is the 20th book in the famous dystopian science fiction series, Horus Heresy. It was written by Christian Dunn and published in May 2012. It is about four warriors and their impact on the civil war in Imperium.

High-Rise is J.G. Ballard's 1975 postmodern novel about the residents of an isolated apartment whose ideologies devolved into something more primal, more animalistic.

The Arrow of Gold is a book by Joseph Conrad that tells the story of a young sailor who will fall in love with a beautiful young woman. This is the story of how his personal motives affected his emotions.

Renegades is a dystopian romantic thriller novel for young adults written by famous author Marissa Meyer. It was released in November 2017 and has become a New York Times Bestseller and one of the Winter Kids' Indie List selection.

Floodland is a standalone young adult dystopian novel written by Marcus Sedgwick which follows 10-year-old Zoe Black who was accidentally left behind on Norwich when her parents escaped the rising sea level in the city. 

The Night Eternal is a paranormal fantasy book written by Guillermo del Toro and Chuck Hogan. The Night Eternal was published on October 25, 2011 by HarperCollins. This is the third book in the Strain Series.

Day of the Oprichnik is a science fiction book written by Vladimir Sorokin which centers on Andrei Danilovich Komiaga living in Moscow in the year 2028, where futuristic technology and draconian codes are existing. 

Luminary is a dystopian novel written by Krista McGee. First published in 2014 by Thomas Nelson under ISBN: 1401688748, it is the second book in the Anomaly book series.

Liquid City is a dystopic, adventurous, fantasy, science fiction novel for young adults written by A.C. Buchanan. It was released in May 2015. It is about a human who was left on a strange planet and had to survive its metropolis.

The One Safe Place is a standalone young adult dystopian novel written by Tania Unsworth which is said to be almost the same as The Giver and Among the Hidden.

The Water Knife is a science fiction novel written by Paolo Bacigalupi which follows the adventure of Angel, Lucy, and Maria as their time runs out to survive with each other's help. 

The Sky Inside s the first book in the young adulkt dystopian series with the same name written by Clare B. Dunkle which centers on the world where Martians are a common sight. 

Lost in Arcadia by Sean Gandert is a dystopian literary fiction novel originally published in July 2017. This book follows the story of American fast forward to the year 2037 where people are obsessed to Arcadia.

Revolution 2020 by Chetan Bhagat is a realistic fiction novel first published in 2011. This book tells the story of three childhood friends facing three different challenges: love, corruption, and ambition.

The Late Great Human Road Show is a mature and dystopic novel for young adults and adults written by Paulette Jiles. It was first released in 1986. It is set in a post-nuclear-explosion Toronto.

Redshirts by John Scalzi is a comic science fiction novel published in 2012. This book follows the story of Andrew Dahl and his exciting and life-threatening Away Missions for the Universal Union Capital Ship, Intrepid. 

Never Let Me Go by Kazuo Ishiguro is a dystopian science fiction novel published in 2005. This book tells the story of three children who are studying in an exclusive boarding school and their 'special gift'.

Under Western Eyes is a book by Joseph Conrad that tells the story of Razumov. He is an orphan and he did not know who his parents were. His story was being told be a professor in the present and he shares all of Razumov's great words and acts.

Among the Hidden is the first book in the young adult dystopian series Shadow Children written by Margaret Peterson Haddix which centers on one of the shadow children named Luke who meets a girl named Jen who is like him.