59 segundos: Piensa un poco para cambiar mucho (NO FICCIÓN) (Spanish Edition)

57 Minutes: All That Stands Between You And a Better Life

Pierre Lever

amazon.com
Cover of 57 Minutes: All That Stands Between You And a Better Life

The Stupidly Simple Happiness Formula: The No Luck Required Guide To Being Insanely Happy (7 Minute Change)

Mark L. Messick

amazon.com
Cover of The Stupidly Simple Happiness Formula: The No Luck Required Guide To Being Insanely Happy (7 Minute Change)

How to Completely Change Your Life in 30 Seconds

Earl Nightingale

amazon.com
Cover of How to Completely Change Your Life in 30 Seconds