Masters of Street Art: Art without a Frame by Michael Harker and Dr. Suzanne Bäumler is a stunning coffee table book that takes you on a visual journey through the global street art movement. Showcasing monumental murals by renowned artists like Tamara Alves and Bordalo II, this book captures the raw energy and cultural depth of art in public spaces. From Paris to Lisbon to São Paulo, Masters of Street Art explores how graffiti and urban art have become as vital and expressive as classical painting. Striking, large-format photographs reveal how these artworks transform cityscapes—turning walls and neighborhoods into breathtaking open-air galleries. Enriched with insightful commentary and thought-provoking quotes, this book invites readers to see urban environments through a new lens. It celebrates cultural diversity, environmental consciousness, and the creative pulse of the street—highlighting influential events like Vienna’s Calle Libre festival and the powerful, recycled-art installations of Bordalo II.