If this book, if even one chapter, helped you in any way, please remember that a simple, honest note from you about how this book helped you in a public review on the Amazon site might mean that this book will get into the hands of those who will also benefit from it.
Just because it's practice, doesn't mean it's "allowed" to be terrible. At least not intentionally.
But you'll get it done.
Creativity in, creativity out.