David Stewart

[Danger Zone 역사/사건] #38 Avoid Sailing on the Titanic! <타이타닉 항해>(Book+CD)

[Danger Zone 역사/사건] #37 Avoid sailing with Francis Drake! (Book+CD)

[Danger Zone 나라/지역] #25 Avoid being a Roman Soldier! <로마군>(Book+CD)

[Danger Zone 나라/지역] #23 Avoid being Tutankhamun! (Book+CD)