|Book 1: Le château souterrain (The Underground Castle)|
English fanslation date: 14 October 2013 (CodeLyoko.fr release)
Jeremy and his friends accidentally find themselves plunged into a virtual world named Lyoko. During their journey, the 4 friends meet Aelita, a young amnesiac elf whose past is mysteriously linked to Lyoko and its secrets...
|Book 2: La ville sans nom (The Nameless City)|
English fanslation date: 13 January 2014
When Jeremy, Ulrich, Odd and Yumi discover the recording of the video of Aelita's father, they're devastated. Anthea, their friend's mother, was kidnapped and nobody knows if she's still alive. The countdown has begun. They set off on a search for her convinced that they'll find a trace. Because they're the only ones who hold the keys to the secret history of Lyoko...almost. X.A.N.A., who we thought was destroyed, will knock when nobody expects it. With force, cruelty, and without mercy...
|Book 3: Il ritorno della fenice (The Return of the Phoenix)|
English fanslation date: 19 May 2014
There exists in Lyoko a place called the First City. Inside that city there is a castle that hides a secret. Jeremy, Aelita, Ulrich, Odd and Yumi must protect it at all costs, even when all seems lost forever.
|Book 4: L'esercito del nulla (The Army of Nothing)|
English fanslation date: 29 September 2014
All seems completely lost for Jeremy and his friends: X.A.N.A., allied with the Green Phoenix terrorists, has reactivated the terrible weapon that is hidden in the heart of the virtual world; Jeremy, Ulrich and Eva are prisoners on Lyoko; Aelita is trapped in the Mirror, a parallel virtual world created by her father; Yumi and Odd are the only ones still in the real world, but...
How will they save their friends and finally defeat X.A.N.A.?