Ibnu Batutah : Ar-Rajul wa ar-Rihlah

 Muhammad, Asma\' Abu Bakar;

Beirut : Dār al-Kutub al-ʿIlmiyyah , 1992

Build a better mousetrap :make classic inventions, discover your problem-solving genius, and take the inventor's challenge

 Kassinger, Ruth,;

Hoboken : : John Wiley & Sons , 2002