Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Muslim scholars advanced science with contributions in areas such as Algebra (al- Khwarizmi), Medicine (hospitals, surgery, antiseptics), Astronomy (star names, celestial observation, new stars and their naming), Optics (Ibn al-Haytham), Chemistry (distillation, crystallization), and the Scientific Method (empirical observation, experimentation).