Readers of To Catch the Sun learn how to design and build a photovoltaic system for: School rooms and community spaces A small home in a financially rich country A few homes in a financially poor country A tiny home or van life Glamping and backpacking equipment Laptop and cellphone chargers Zombie-apocalypse equipment Emergency supply , e.g., powering an oxygen machine during a power outage Isolated loads like electric gates, pumps, greenhouse fans, backup generators, and telecommunications equipment This book is for anyone looking to build solar projects and knowledge: Students and teachers. Especially high school and undergraduate university levels in science, math, engineering, environmental and social justice, and technical fields. Community organizers and builders looking to build solar projects. Entrepreneurs and inventors looking to build solar products. Families looking to learn together!