Buku yang Dikarang by Sean O'Neill

Digraphs and Blends

Short Vowels

50 Things You Didn't Know about Ancient Rome

Long Vowels

Complex Vowels

50 Things You Didn't Know about the Middle Ages

50 Things You Didn't Know about Colonial America

50 Things You Didn't Know about Ancient Greece

Consonants

50 Things You Didn't Know about Ancient Egypt

More Consonants

Cautionary Verses for Childish Adults

Songs of Hunger

Clever Limericks for Childish Adults

50 Things You Didn't Know about the Old West

When Volcanoes Erupt!