Marco Rubio has been a force in the Republican Party for many years, including running for president. He was named secretary of state in 2025 by President Donald Trump after many years in U.S. Senate. Readers explore Rubio's background in this essential biography, complete with his origins in Miami, Florida, schooling, and start in politics. Full-color photographs complement the at-level text, and a concluding timeline reviews the key points of the book. This volume supports social studies curricula as well as aids knowledge building, a key part of the science of reading.