The book Weaving Knowledge with Technology: Systematic Mapping in Science and Engineering offers a critical and methodological immersion in the paths of scientific and technological production, with a focus on systematic mapping as a tool for organizing, analyzing and synthesizing knowledge in strategic areas of science and engineering. Using accessible language and a practical approach, the book offers guidelines for conducting structured reviews, from defining the research question to analyzing and visualizing the data collected. Aimed at students, researchers and professionals in technological areas, the book highlights the role of systematic mapping in evidence-based decision-making, in identifying research gaps and in building collaborative knowledge. By integrating theoretical foundations with real application experiences, the book values the intersection between academic rigor and social relevance, strengthening the connection between science, technology and innovation.More than a technical manual, this book is an invitation to build collective and meaningful knowledge, where technology is a bridge between different areas of knowledge.