Pathways 3rd edition - Foundations, 1, 2, 3, 4

Pathways is a best-selling, five-level academic skills series that combines highly visual, real-world content and rigorous language instruction to help students develop the skills, language, and critical thinking they need for academic success. Exploring academic topics through authentic videos, photos, and infographics, students connect to ideas while building academic competence skills through collaboration, communication, and problem-solving. Pathways helps students to improve the academic and interpersonal skills needed to succeed in and out of the classroom.

In this post the levels: Foundations, 1, 2, 3, 4. Every level has a section listening and speaking, and reading and writing. Every section has SB, SB key, TB, audio, video resources. Only Pathways 4 RW does not have the key.