Kingdom Heart Guida

Piggyback Interactive

Kingdom Hearts: Official Strategy Guide          

Dark Horse Books

Kingdom Hearts Character Files                  

Kingdom Hearts 3 Guide and Walkthrough (English Edition)

Lulu.com

Game Guide for Kingdom Hearts 2 (Unofficial) (English Edition)

Multiplayer Edizioni

La leggenda di Kingdom hearts. Creazione (Vol. 1)

Multiplayer Edizioni

La leggenda di Kingdom hearts. Universo e decrittazione (Vol. 2)

Dark Horse Books

Kingdom Hearts Ultimania: The Story Before Kingdom Hearts III

Independently published

Kingdom Hearts III : COMPLETE GUIDE: Everything You Need To Know About Kingdom Hearts III Game; A Detailed Guide

Piggyback Interactive

Kingdom Hearts II: the Complete Guide: v. 2      

Square Enix

Kingdom Hearts All-in-One Package for Playstation 4