Key ideas and principles of pluriliteracies teaching for deeper learning. Exploring the mechanics of deeper learning -- Exploring the drivers of deeper learning -- Exploring progression in deeper learning -- Designing deeper learning episodes -- Deeper learning episodes: first steps towards transforming classrooms. Chemistry: exploring pluriliteracies through a deeper learning episode on redox reaction / Teresa Connolly -- Physics: exploring pluriliteracies through a deeper learning episode on rainbows / Klaus Wendt, Andreas Pysik & Johannes Lhotzky -- Geography: exploring pluriliteracies through a deeper learning episode on global warming / Nicole Berg -- History: exploring pluriliteracies through a deeper learning episode on the German Empire / Susanne Staschen-Dielmann -- Political science: exploring pluriliteracies through a deeper learning episode on electronic waste / Susanne Staschen-Dielmann & Saskia Helm -- Modern languages: exploring pluriliteracies through a deeper learning episode in French literature with younger beginner learners / Frederic Taveau -- Religious education: exploring pluriliteracies through a deeper learning episode on modern-day prophets / Stefan Altmeyer & Johannes Kerbeck -- Music: exploring pluriliteracies through a deeper learning episode on "The Wellerman" / Valerie Krupp -- Deeper learning mathematics: the case of algebraic questions / Susanne Prediger & Anna-Katharina Roos -- Conclusion: Moving beyond first steps: using PTDL for whole school development & transformation