Man, I wish there was a full-blown novel just about Itachi and Naruto's dynamic! The closest we get is 'Naruto: Itachi’s Story'—a two-part light novel series by Takashi Yano and Masashi Kishimoto. It dives deep into Itachi’s past, his time in the ANBU, and the tragic decisions that shaped him. It’s heartbreakingly poetic, especially when you see how his actions inadvertently influenced Naruto’s path. The novels don’t focus much on their direct interactions, though, since Itachi dies before Naruto truly understands him. But man, the emotional weight of Itachi’s legacy in Naruto’s growth? Chef’s kiss.
There’s also 'Naruto: Sasuke’s Story—The Uchiha and the Heavenly Stardust,' which touches on Sasuke’s reflections about Itachi and how Naruto’s ideals clash with the Uchiha’s darker history. It’s not centered on Itachi and Naruto, but it adds layers to their indirect connection. Honestly, I’d kill for a 'what if' spin-off where Itachi survives and mentors Naruto—imagine the philosophical debates!