Nico spends Christmas with the Jacksons. Written as a series of literary snapshots showing memorable moments during this holiday

Nico infiltrates a boarding school that's been conducting experiments on demigods, and discovers a plot far more twisted than anything he ever expected. Cut off from Percy and Camp Halfblood, as well as Anubis and the Kanes as they struggle in their fight against Apophis, Nico must turn to a new ally, the Roman demigod Jason Grace, if he has any hope of surviving.

Nico, Percy, Sadie, and Carter must work fast to prevent another inter-pantheon incident when mysterious deaths start occurring at Camp Half-Blood right after the Kanes are accidentally picked up in a demigod extraction. This is the second book in the series. The first book is named The Death God Alliance.

Jason is a fan of Greek war movies and Tristan McLean. Octavian is not. So, when Tristan McLean is cast as the star of a Greek war movie, and Jason gets the whole camp in on the excitement, Octavian's very sanity is threatened plus two more stories.

Thanks to Anubis' ritual going wrong, while Sadie and Carter are off saving the world in ToF, Nico is stuck in the Duat, dodging dangers, saving Bast's skin, and most importantly, finding Sadie the perfect birthday present. This is the third book in the series the first two are: Death God Alliance & Escape From Camp Half Blood

With Nico's soul at stake, Percy takes a risk and reveals all that they've been hiding to Annabeth, Thalia, and Jason. United with the Kanes, a desperate search begins, but no one can foresee where it will take them, or what they'll find along the way. This is the fifth book in the series.

"Sorry," said the son of Hades, "but if I surrendered to an organization called the House of Life, my dad would kill me." After a run in with the Kanes, Nico unwittingly ends up becoming a host for the Egyptian death god Anubis. What will happen to the Kane's and Nico , will everything be all right or will apocalypse start?