Carl Sagan: Christmas Lectures on The Planetsby Carl Sagan
Biodiversity and the Meaning of Human Existenceby Edward O. Wilson
Eat That Frog!by Brian Tracy
The Republicby Plato
Michio Kaku: The Universe in a Nutshellby Michio Kaku
The Power of Positive Thinkingby Norman Vincent Peale
The Battlefield of the Mindby Joyce Meyer
Life Forceby Anthony Robbins
The 7 Habits of Happy Kidsby Sean Covey
Heroby Rhonda Byrne
Oprah's SuperSoul Conversations Podcastby Oprah Winfrey
The Rachel Cruze Show Podcastby Rachel Cruze
TEDTalks Podcast
Intelligence Squared U.S. Podcast
Duolingo Spanish Podcastby Martina Castro