I believe it's the book Secret Sauce: The Ultimate Growth Hacking Guide [0]. Austen Allred is the co-founder of Lambda School [1]. 0. https://www.amazon.com/S

I believe it's the book Secret Sauce: The Ultimate Growth Hacking Guide [0]. Austen Allred is the co-founder of Lambda School [1]. 0. https://www.amazon.com/Secret-Sauce-Ultimate-Growth-Hacking/dp/1635877393 https://www.amazon.com/Secret-Sauce-Ultimate-Growth-Hacking/... 1. https://lambdaschool.com https://lambdaschool.com