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Is this book been done?

I just saw the introduction page in your store. there are still several chapters mark as coming soon.

anytimeline for this ?

Hi @yangwulong1978, I’d hold tight and keep an eye out for any news! I’m sure the authors are hard at work preparing the chapters.

Second this feels like these chapters have been on hold for months now.

Good news - the book is done and should be out in less than a week. Sorry for the delay on this one guys!