Please consider supporting my efforts by purchasing one of the items through my affiliate account. I do not advertise garbage; everything here is something that I have personally used—sometimes, for decades—and highly recommend.
My new book is finally out! It would mean the world to me if you’d check it out and leave a review!
The Language of Aikido: A Practitioner’s Guide to Japanese Characters and Terminology
Nelson’s Original Modern Reader’s Japanese-English Character Dictionary
The New Nelson Japanese-English Character Dictionary
The Kodansha Kanji Learner’s Course: A Step-by-Step Guide to Mastering 2300 Characters 
Remembering the Kanji 1
Remembering the Kanji 2
Remembering the Kanji 3