This hybrid edition of Aula internacional Plus 4 is the ideal choice for combining the advantages of paper and digital technologies, whether for in-person, hybrid (blended), or distance learning. It includes the printed student book as well as a 12-month access code to Campus Difusión, through which the student can access: the digital book and the digital workbook of Aula internacional Plus 4, all the resources of the manual (audio, video, self-correcting exercises, etc.), and all the communication, assignment, evaluation, and other features of the platform.