Growth Hacker Marketing - Ryan Holiday's book, re-released and expanded
Your Growth Hacks Aren't Working - Free new book by Steli Efti on B2B customer acquisition
Ryan Holiday - We Invest $500k in Sci-Fi Founders.
The Growth Handbook - Tried & tested strategies for growing your business
TweetFavy - The Growth Hacking Tool for Twitter. Marketing automation software / Growth Hacking tool designed to grow your social media influence and attract real, targeted and engaged Twitter followers.
This Won't Scale by Drift - 40 free marketing playbooks to help you grow your business