This is a shelter run by Mother Teresa's Missionaries of Charity in the Indian capital, Delhi.

BBC: Bringing hope to elderly and terminally ill Indians

But then I visited an orphanage begun by Mother Teresa, and two very sick little girls captured my heart.

NPR: Transcript: Cindy McCain's Speech

She received the 2000 National Caring Award which was inspired by Mother Teresa, as well as the papal honor Pro Ecclesia et Pontifice from Pope Benedict XVI.

WHITEHOUSE: THE WHITE HOUSE

Controversially, the claim was formally recognised as a miracle by the Vatican last year, paving the way for Mother Teresa's beatification.

BBC: NEWS | Europe | Crowds cheer Mother Teresa beatification

But as Leadership Editor Fred Allen and I were combing through the recent arrivals, two books stood out from the tilting piles and grabbed our attention: Mother Teresa, CEO: Unexpected Principles for Practical Leadership by Ruma Bose and Louis Faust, and Mob Rules, What the Mafia Can Teach the Legitimate Businessman by Louis Ferrante.

FORBES: Leadership Lessons from the Mob and Mother Teresa