Health for the Americas: Cleanliness Brings Health

The Story of Menstruation

Thud and Blunder in "Knock-Off Time"

Health for the Americas: Hookworm

North American House Hippo

Red Hot Rangers

The Heart That Changed Color

Light Is What You Make It

Something You Didn't Eat

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

What Tadoo

Shôgakusei no yûkai bôshi: Yumi-chan abunai yo!

A Feather in His Collar

Robinson Charley