1. Cell polarity in the protist-to-animal transition David Booth and Thibaut Brunet 2. Polarized actin networks in development: Case studies from Drosophila Tony Harris 3. Protein clustering and cell polarization Edwin Munro 4. Polarity in the Drosophila female germline Daniel St Johnston 5. Context Matters: Mechanisms governing epithelial polarization in C. elegans Jessica Feldman 6. Epithelial polarity in the fly: Principles and diversity. Ulrich Tepass 7. Polarising epithelial expulsion and expulsion driven by mispolarisation Romain Levayer 8. The Role of Apical-Basal Polarization in the Mammalian First Cell Fate Decision Magdalena M. Zernicka-Goetz 9. Polarity in immune cells Ana-Maria Lennon-Duménil and Paolo Pierobon 10. Mammalian Dachsous and Fat cadherins in tissue organization Helen McNeill 11. Polarity in breast development and cancer Luke McCaffrey 12. Polarity in lung development and disease Xaralabos Varelas 13. Polarity in skin development and cancer Terry Lechler