Naruto: Sasuke's Story: Sunrise https://www.amazon.com/dp/1421591294/ref=cm_sw_r_cp_apa_GO-SBbVYRFSYV
Okay your comment got stuck in the mod queue so this was brought to my attention. Let's make this clear: the novels were NOT written by Masashi Kishimoto.
Original Story by Masashi Kishimoto, Written by Shin Towada
Notice how it doesn't say "Written by Shin Towada, Masashi Kishimoto" which would be the case if he was involved in writing it. That means Kishimoto didn't write it. It's as simple as that. His name is included only because he is the original creator of the Naruto series and did illustrations for the novels. This is further clarified by clicking on one of those Amazon/B&N links to buy the book, nowhere is Kishimoto listed next to "Author". You'll see this even clearer on one of the books' goodreads listing