Naruto Shinden

Naruto Shinden summary:

This series consists of two installments. Itachi Shinden deals with Itachi’s childhood as a shin.o.bi of the Uchiha clan, his relationship to Shisui Uchiha and finally the downfall of his clan and how Itachi joined Akatsuki. Sasuke Shinden takes place after Akatsuki Hiden: Evil Flowers in Full Bloom and is about Sasuke’s travels to find out more about Kaguya Ōtsutsuki.
Itachi Shinden consists of two novels: The first, Book of Bright Light (光明篇, Kōmyō-hen) was released on September 4, 2015 and the second novel, Book of Dark Night (暗夜篇, An’ya-hen) was released on October 2, 2015. These novels were adapted into an anime series, Itachi Shinden Book: Light and Darkness in early 2016.
Sasuke Shinden consists of only one novel, the Book of Sunrise (来光篇, Raikō-hen) which was released on November 4, 2015.