This book serves as an accessible introduction to schemes, coherent sheaves, and their cohomology, designed for readers with only a knowledge of basic commutative algebra. Developed from years of teaching experience, the author has carefully crafted the text to be self-contained, covering the essential concepts necessary for a solid understanding of algebraic geometry.Many readers will find it invaluable for grasping the subject, appreciating its clear explanations and lack of prerequisites. In addition to laying a strong foundation, the book provides ample background for those seeking to explore more advanced topics in the field.