We have 3 Naruto books on the way. Naruto Shinden, Sakura Shinden and Shikmar Shinden. These stories will talk about the 3 characters as parents on a new adventures. Naruto will have stories with parent child dynamic. Who these kids will be or which one of his is not said. It stars on May 2nd with Naruto Shinden.
Articlehttp://www.crunchyroll.com/anime-news/2018/04/05-1/three-new-naruto-novels-are-on-the-way-starting-this-may
As always thank you for reading.