LaTeX is not so complex and you should consider investing some time in it if you intend to keep writing books.
It may be harder to debug its output, but it all depends on numerous variables and sheer number of plugins being used. I am not an expert but have written technical documentation in LaTeX and used Tikz scripting language for drawing schematics.
It was a steep learning curve, but it really is the most powerful publishing tool you can find.
If you ever decide to write another book, give LaTeX a try.
Congratulations on Your book, it's an admirable achievement.
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