GrowthHackList - 100+ curated growth hacks for makers + early stage startups
Growth Hacker Marketing - Ryan Holiday's book, re-released and expanded
GrowthList - A crowd-sourced list of growth hacks
Ryan Holiday - We Invest $500k in Sci-Fi Founders.
Growth Hacking Sourcebook - The ultimate growth hacking sourcebook
Your Growth Hacks Aren't Working - Free new book by Steli Efti on B2B customer acquisition