Growth Hacker Marketing vs The Referral Engine: Which Should You Read?

Both live on shelves: Internet marketing, Marketing, Business

Growth Hacker Marketing

Growth Hacker Marketing Ryan Holiday · 2013 ★★★★☆ 3.7 111 pages · ≈ 2 h 03 m · Moderate Find on Amazon

The Referral Engine

The Referral Engine John Jantsch · 2010 ★★★★☆ 3.6 257 pages · ≈ 4 h 46 m · Moderate Find on Amazon

The verdict

Ratings are close: 3.7 vs 3.6 — either is a safe pick by score.
Growth Hacker Marketing is the quicker read — about 2 hours vs 4 for The Referral Engine.