Book Content: *The Celestial (Upper) World: Deals with celestial bodies, planets, constellations, and angels. *The Terrestrial (Lower) World: Describes the Earth and its topography, air, water, seas, marine creatures, animals, and plants, arranged alphabetically in some parts. *Strange Creatures: Dedicates chapters to creatures with unusual or supernatural forms, mentioning their tales and properties. Importance of the Book: *Encyclopedic: Combines science and literature, presenting information in multiple fields attractively. *Illustrated: Its manuscript copies are rich with colorful illustrations that spark the imagination, making it a unique visual work. *Scientific Approach: Despite its wondrous nature, it follows a logical method in definition, reasoning, and classification. *Wide Influence: It was one of the most widespread and influential books throughout the ages, translated into many languages. ""Its Author"" Zakariya bin Muhammad al-Qazwini (d. 682 AH / 1283 AD), a Muslim scholar, geographer, and judge who lived during the Abbasid era.