Can you recommend some best fantasy and science fiction young adult books?

Well, 'The Scorpio Races' by Maggie Stiefvater is a wonderful choice. It's about a deadly horse race on an island. 'The Archived' by Victoria Schwab is set in a library that houses the dead. And 'Caraval' by Stephanie Garber, which is a magical and immersive story about a game and a sister's search for another sister. These are just a few of the amazing books that could be part of the 35 best.

Yes. 'City of Bones' from 'The Mortal Instruments' series is a great start. It has a complex world of demons and shadowhunters. 'An Ember in the Ashes' by Sabaa Tahir is also very engaging, set in a world inspired by ancient Rome. 'Shadow and Bone' by Leigh Bardugo, with its Grishaverse, is full of magic and political intrigue. This series is really popular among young adult readers.

I highly recommend 'Legend' by Marie Lu. It's set in a future where the United States has split into two warring nations. The two main characters, Day and June, come from opposite sides but end up on a journey together. Another good one is 'Red Rising' by Pierce Brown. It's about a lower - class boy named Darrow who tries to rise up against the oppressive ruling class in a far - flung future society.

One of the best is 'The Hunger Games' by Suzanne Collins. It's set in a dystopian future where teenagers are forced to fight to the death in an arena. Another great one is 'Harry Potter' series by J.K. Rowling, which follows the magical adventures of a young wizard. Also, 'Divergent' by Veronica Roth is quite popular, with its unique world of factions.

Some of the well - known ones could be 'The Hunger Games' series by Suzanne Collins. It's set in a dystopian future where teens fight to the death in an arena. Another is 'Divergent' by Veronica Roth, which has a society divided into factions based on different virtues. And 'The Maze Runner' by James Dashner, with its mystery - filled maze and post - apocalyptic setting.

One of the best is 'The Hunger Games' by Suzanne Collins. It's set in a dystopian future where teens are forced to fight to the death in an arena. The story is full of action, and the characters like Katniss are very well - developed. Another great one is 'Harry Potter' series by J.K. Rowling. It takes us into the magical world of Hogwarts, with its unique magic system, interesting characters like Harry, Hermione and Ron, and an epic battle between good and evil. Then there's 'Divergent' by Veronica Roth. It has a unique world - building where people are divided into factions based on their personalities.

Sure. 'The Giver' by Lois Lowry is a great start. It's about a boy named Jonas who lives in a seemingly perfect but very controlled society and discovers the truth about his world. Another good one is 'I Am Number Four' by Pittacus Lore. It has action - packed scenes and an interesting alien - on - Earth story. 'City of Ember' by Jeanne DuPrau is also suitable. It's about a post - apocalyptic underground city.

Well, 'The Maze Runner' series by James Dashner is among the best. In this series, a group of boys are trapped in a maze and they have to find a way out while facing various challenges. Then there's 'Uglies' by Scott Westerfeld. It presents a world where people get an operation to become 'pretty' at a certain age. 'Ready Player One' by Ernest Cline is also a top pick. It's filled with 80s pop - culture references and follows a young boy on a virtual treasure hunt in a virtual world called the OASIS.

One of the best is 'The Hunger Games' by Suzanne Collins. It's set in a post - apocalyptic world where teenagers are forced to fight to the death in an annual event. The story follows Katniss Everdeen as she battles not only for her own survival but also to challenge the oppressive regime. Another great one is 'Divergent' by Veronica Roth. It presents a society divided into factions based on different virtues, and the main character Tris has to navigate this complex world. And 'The Maze Runner' by James Dashner is also excellent. A group of boys are trapped in a maze and have to find a way out while dealing with various mysteries and threats.

Another good one is 'Divergent' by Veronica Roth. In a post - apocalyptic Chicago, society is divided into factions based on different virtues. The main character, Tris, has to figure out where she belongs and fight against the system. It's action - packed and thought - provoking.