Jennifer Aaker

The Dragonfly Effect

Humor, Seriously

Hazlo con humor

Hazlo con humor (Edición mexicana)

Humor, Seriously: Why Humor Is a Secret Weapon in Business and Life (And how anyone can harness it. Even you.) (Unabridged)

The Dragonfly Effect : Quick, Effective, and Powerful Ways To Use Social Media to Drive Social Change