Physics textbooks affect teaching methods. They provide teachers with content management, curriculum design, and materials to build students’ learning abilities and have a crucial role in the teaching-learning process, as teachers recognise. However, Physics textbooks sometimes limit teachers’ efforts to innovate Physics teaching strategies. “College Physics - Explore and Apply” is a Physics textbook based on the ISLE (Investigative Science Learning Environment) approach. This book is more than a simple textbook: it illustrates a completely new approach towards Physics and presents an innovative teaching-learning Physics process. Teachers who have adopted this approach and the associate textbook will never go back to the oldest teaching methods.