李普生

一分鐘領導 by: 肯尼斯⋅布蘭查(Kenneth Bla; 派翠西亞⋅齊格密(Patricia; 瑞亞⋅齊格密(Drea Zigarmi); 李普生 (Language materials, printed)

一分鐘健身 by: 李普生; 艾汀頓(D. W. Edington); 馬珈琍⋅布蘭查(Marjorie Bl; 肯尼斯⋅布蘭查(Kenneth Bla (Language materials, printed)

表現自己 by: [霍克](PaulHauck); 李普生 (Language materials, printed)

全民英檢聽力測驗So Easy = GEPT intermediate listening test : 中級篇 by: 李普生 (Language materials, printed)

擺脫寂寞 by: 李普生; [雷克](TonyLake) (Language materials, printed)