A manga adaptation of the novel 'One Piece: Ace's Story', drawn by Boichi. *Note: Chapter count includes two special one-shots: "ONE PIECE: Roronoa Zoro, Umi ni Chiru" and "Nami vs Kalifa".*

Washed up on the shores of a deserted island at the edge of the East Blue Sea, two men from different backgrounds unite in their shared thirst for adventure. One of them, Portgaz D. Ace, will follow in his infamous father’s footsteps as the fearless captain of a pirate crew. The other, Masked Deuce, becomes the reluctant first member of Ace’s Spade Pirates. Survival is not enough for these seafaring buccaneers, as together they seek treasure, excitement, and a route to the New World. (Source: VIZ Media) *Note: Both volumes contain a prologue.*

In the epic prequel to .hack, the avatar Albireo is a solo adventurer in The World, the most advanced online fantasy game ever created. When he comes across Lycoris, a strange little girl in a dungeon, Albireo wonders if she's simply nothing more than a bug in the system. As the two journey further into The World, Albireo watches Lycoris turn all of the rules of The World upside down. Slowly, he comes to realize that she may hold a very deadly secret--a secret that could unhinge everything in cyberspace...and beyond! (Source: Amazon)

It is the year 2017, and the stakes have gotten even higher in the massively multiplayer online game The World--now The World R:2, a dangerous place overrun by player killers, where lawlessness abounds. The PKK Haseo, known as "The Terror of Death," is a fearsome foe who punishes those who want to slay other players. But things have gotten personal as Haseo tries to track down the killer Tri-Edge, who has threatened the real life of his friend Shino... (Source: TOKYOPOP)

Tsurugi Tatsuno is a boy who competes in Virtual Digimon Battle tournaments. When a Kuwagamon appeared in the Real World, his Greymon came to life and protected him. Tsurugi is summoned to the Digital World by Piximon to save the Digital World from the evil Barbamon. Since his Digimon has a hexagon shape on him, it's an Illegal Digimon meaning that Digimon bearing the symbol can help save the Digital World. Tsurugi's Greymon later De-Digivolves to Agumon and they meet other characters destined to save the Digital World from the forces of Barbamon. Now they must stop Barbamon and his minions before they get all the DigiMemories and take over both worlds. (Source: Wikipedia)

Welcome to The World, the most advanced online game ever created. In The World you can be anyone you want to be, act out your adventure fantasies and through teamwork and determination, you can even become a hero. 14-year-old twins Shugo and Rena just won a contest that lets them play as the legendary avatars 'Kite' and 'Black Rose.' Armed with the power of the Twilight Bracelet, the two must discover what is causing rogue monsters to infect The World and carry on the legend of the .hackers. (Source: TOKYOPOP)

"The World" is a massively multiplayer online game played by more than twelve million people across the globe. Within this virtual world Haseo, a PK (Player Killer), continues an endless fight. Everything he does is for the sake of the girl Shino, who back in the real world, is hospitalized by an unexplained coma. However, on finally meeting with his sole lead, a PK called “Tri-Edge,” Haseo is dropped back to Level 1 by a mysterious power! Can Haseo save Shino now that he has lost all of his abilities? Tatsuya Hamasaki, writer of the scenario for the .hack//G.U. games, now turns his hand to its novelization! (Source: TOKYOPOP)

The world's greatest exposition of the pirates, by the pirates, for the pirates—the Pirates Festival. Luffy and the rest of the Straw Hat Crew receive an invitation from its host Buena Festa who is known as the Master of Festivities. They arrive to find a venue packed with glamorous pavilions and many pirates including the ones from the Worst Generation. The place is electric. (Source: AnimeNewsNetwork)

One Piece: Loguetown Arc is a novelization of Eiichiro Oda's intended story elements for the Loguetown Arc, later used in the anime as a filler (Episodes 50-51).

The story takes place between Poseidon and Hades. Athena and their knights must fight against powerful giants who lives on mount Etna, on the Italy.

While Luffy and his crew of Zoro and Nami are starving on their small boat, they are attacked by a large monster. Nami is taken away, while Luffy and Zoro wash up on shore. There they meet a young girl, Medaka, and learn of the sad history of the island. The evil Pirate Ganzack has taken away all the men in the village and enslaved them, including Medaka's father. Now Luffy, Zoro, and Medaka must infiltrate Ganzack's base in order to rescue the villagers and Nami. (Source: Anime News Network)

Will follow the story as written for the anime by Tachibana Masaki. (Source: Wikipedia)