What are the best graphic novels for teens?

Alan Moore and Brian Bolland brought us in 1988 a revisitation of the Joker's origin in one of the most remembered graphic novels of the character. In the Killing Joke, Moore shows us Joker like a psychopath with no remorse and salvation. 

The Sandman: Prelude & Nocturnes is the first in the comic book series The Sandman by Neil Gaiman. This book tells the story of Dream, who escaped a 70-year imprisonment and underwent a dangerous journey to retrieve his objects of power.

The ultimate story about the origin of Batman by Frank Miller and David Mazucchelli made in 1986. This new revision of the origin of one of the most seminal superheroes of all time has never been topped and shows the fantastic storytelling of both Miller and Mazzucchelli.

The League of Extraordinary Gentlemen is a graphic novel by Alan Moore. Set in the Victorian era, it tells the story of famous literary figures as they work together to defeat evil.

Saga, Vol. 1 is a space opera/fantasy comic book series written by Brian K. Vaughn and illustrated by Fiona Staples. It made the Time Magazine's top 10 graphic novels for 2013 and won the 2013 Hugo award for Best Graphic Story.

The New Teen Titans: Who is Donna Troy? is a comic book written by Marv Wolfman and George Perez and it was illustrated by artists Phil Jimenez and Dick Giordano. This graphic novel was first published in July 2005 by DC Comics.

Batman '66 (2013, Volume 63) is a graphic novel by Gabe Soria and illustrated Ty Templeton. Published by DC Comics, it focuses on the adventures of Batman and Robin.

Titans, Young Justice: Graduation Day is a comic book written by Judd Winick and it was illustrated by Ale Garza and Trevor Scott. This graphic novel series is composed of three issues published by DC Comics.

Assassin's Creed: Hawk is the first volume of the thrilling comic adaptation of the famous video game series, Assassin's Creed. This book authored by Eric Corbeyran and illustrated by Djilall Defaux.

Robot Dreams is a young adult fantasy fiction graphic novel created by Sara Varon. IThis sequential art book is first published in 2007 by First Second.  

Tintin in Tibet was written and illustrated by cartoonist Hergé in 1959. This fiction comic book is the 20th volume in Hergé's The Adventures of Tintin series. It is followed by The Castafiore Emerald.

The Frank Book is a wordless fantasy fiction graphic novel created by Jim Woodring. This sequential art book is first published in 2003 by Fantagraphics Books.

Teen Titans: A Kid's Game is a fictional comic book written by Geoff Johns and it was illustrated by Mike McKone. This graphic novel was originally published in 2004 by DC Comics.

Assassin's Creed: Trial by Fire is the first volume in the thrilling adventure and action comic series, Assassin's Creed. It is based on the video game series, Assassin's Creed. It is penned by Anthony Del Col and Conor McCreery.

Crab with Golden Claws was written and illustrated by cartoonist Hergé in 1941. This fiction comic book belongs to Hergé's The Adventures of Tintin series. It is followed by The Shooting Star released in 1942.

'This One Summer' is a graphic novel by Mariko Tamaki illustrated by Jillian Tamaki. Rose and Windy are two friends that meet every summer in Awago Beach, their refuge. But this year, the two girls will find themselves caught by new problems, secrets, sorrow and growing up.

The Secret of the Unicorn was written and illustrated by cartoonist Hergé in 1943. This fiction comic book is the 11th volume of Hergé's The Adventures of Tintin series. It is preceded by The Shooting Star released in 1942.

Tintin in America was written and illustrated by cartoonist Hergé in 1932. This fiction comic book is the 3rd volume in Hergé's The Adventures of Tintin series. It is followed by Cigars of the Pharaoh released in 1934.

Flight 714 to Sydney was written and illustrated by cartoonist Hergé in 1967. This fiction comic book is the 22nd volume in Hergé's The Adventures of Tintin series. It is followed by Tintin and the Picaros released in 1976.

Cairo is a graphic novel written by G. Willow Wilson. It was illustrated by M. Kutlukhan Perker while Travis Lanham provides the letters. First published in 2007, it focuses on the adventure of an American expatriate.

The Black Island was written and illustrated by cartoonist Hergé in 1938. This fiction comic book is the 7th volume in Hergé's The Adventures of Tintin series. It is preceded by The Broken Ear released in 1937.

Assassin's Creed: Homecoming (Vol. 3) is a graphic novel and a comic book authored by Anthony Del Col and Conor McCreery. It was published on May 23, 2017 by Titan Comics. It follows the mayhem inside the Brotherhood of the Assassins,

Rollergirl of Mars (Trish Trash Volume 1) is a sequential art and graphic novel by Jessica Abel. Published in 2016 by Super Genius, Rollergirl of Mars is the first book in the Trish Trash book series.

The Broken Ear was written and illustrated by cartoonist Hergé in 1937. This fiction comic book is the 6th volume in Hergé's The Adventures of Tintin series. It is preceded by The Blue Lotus in 1936.

The Arrival is a wordless fantasy fiction graphic novel created by Shaun Tan. This young adult sequential art book is first published in 2006 by Lothian Books. 

Scooby-Doo, Where Are You (2010; Volume 69) is a graphic novel by Derek Fridolfs and Paul Kupperberg. Published by DC Comics, Scooby-Doo Volume 69 was illustrated by Walter Carzon and Fabio Laguna.

The Black Project is a graphic novel by Gareth Brookes that tells the story of Richard. He has a made an imaginary girlfriend using household objects. Everything is fine but his obsession seemed to affect his relationship with real people. 

Secret Invasion is a graphic novel written by Brian Michael Bendis wherein shapeshifting aliens calles Skrulls have vanished key figures on earth including some Marvel superheroes. 

Hot in the City (Harley Quinn Volume 1) is a graphic novel by Amanda Conner, Jimmy Palmiotti, Chad Hardin, Stephane Roux, Alex Sinclair, and Paul Mounts. Published in 2014, it is the first book in the Harley Quinn II series.

Lumberjanes Volume 35 is a graphic novel by Shannon Watters and Kat Leyh. Illustrated by Carolyn Nowak, it was published in 2017 by Marvel. It is the 35th book in the Lumberjane series.

True Tales of Roller Derby: Doppelganger at The Hangar is a graphic novel by Lisa Titan and Nader Absood. Illustrated by Dennis Culver, it was first published in 2009 by Oni Press.