It’s a Heart!0

A Feather in His Collar

The Adventures of a Man in Search of a Heart

The Story of Menstruation

Health for the Americas: Cleanliness Brings Health

The Heart That Changed Color

Defense Against Invasion

Out of the Frying Pan Into the Firing Line

Health for the Americas: Planning for Good Eating

The Grain That Built a Hemisphere

The New Spirit

Health for the Americas: The Unseen Enemy

The Winged Scourge

North American House Hippo

Red Hot Rangers

Thud and Blunder in "Knock-Off Time"

Robinson Charley

Preventing the kidnapping of elementary school student Yumi

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Water: Friend or Enemy

Something You Didn't Eat