Firefly & Fern

B. L. Ullman, Charles W. Henderson

Ages 12–15language learningclassical culture

Lynda Graham-Barber

Ages 7–12language and wordsetymology

Norma Fifer, Nancy Fifer, Nancy Flowers

Ages 10–18language learningetymology

Isaac Asimov

Ages 9–14language and wordsclassical mythology

Joegil Lundquist, Joegil K. Lundquist, Jeanne L. Lundquist

Ages 9–14languageetymology

Ursula Dubosarsky

Ages 8–12languagehistory

Isaac Asimov

Ages 10–15languagemythology