Since Human Japanese is meant for beginners, it doesn't attempt to teach Kanji. However, the two syllabaries are easy to use and understand. They are far simpler than our own alphabet. The only challenging thing is learning to write them like a pro. In Japanese, it's important to draw these characters in the correct order.
Some books try to teach stroke order with all sorts of confusing arrows and dotted lines.
Since each syllabary contains 46 characters, that's a total of 92 animations. It couldn't be any better. That's where our friendly quizzes and reviews come in.