This Book is Worth a $5,000 Productivity Course

My name is Ali Alqaraghuli, and I am a systems engineer at the NASA Jet Propulsion Lab. In my opinion, this single book is arguably the best productivity course, even though it is about habits. It's a book about action and about doing. The author does a great job of using practical ideas in his book.
If you want to double your productivity, check this out:
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