Viajar para Trascender (Travel as Transformation): Sobrepasa los Limites Culturales para Descubrir tu Verdadera Identidad (Spanish Edition) by Gregory V. Diehl
The Influential Author: How and Why to Write, Publish, and Sell Nonfiction Books that Matter by Gregory V. Diehl
Brand Identity Breakthrough: How to Craft Your Company’s Unique Story to Make Your Products Irresistible by Gregory V. Diehl