Based on the highly acclaimed NPR podcast, "How I Built This" with Guy Raz, his new book offers insights and inspiration from the world’s top entrepreneurs on how to start, launch, and build a successful venture. Great ideas often come from a simple spark: A soccer player on the New Zealand national team notices all the unused wool his country produces and figures out a way to turn them into shoes (Allbirds). A former Buddhist monk decides the very best way to spread his mindfulness teachings is