Ilmu Pengetahuan Populer 7 :Kehidupan Hewan Mamalia
Ilmu Pengetahuan Populer 8 :Mamalia & Ilmu Pengetahuan Manusia
Ensiklopedi Matematika & Peradaban Manusia
Macmillan Revised Encyclopedia : MAtter And Energy
Macmillan Revised Encyclopedia : The Heavens
Macmillan Revised Encyclopedia : The Eart
Macmillan Revised Encyclopedia : Life on Eart
Macmillan Revised Encyclopedia : Plant And Animals
Macmillan Revised Encyclopedia: BOdy and Healt
Macmillan Revised Encyclopedia : The Environment
Macmillan Revised Encyclopedia : Industry
Macmillan Revised Encyclopedia : Fuel and Fower
Macmillan Revised Encyclopedia (COMUNICATION)