1. An introduction to brassinosteroids: History, biosynthesis and chemical diversity 2. Revisiting brassinosteroids signaling in plants: current advances and challenges 3. Brassinosteroids in shaping plant architecture 4. Regulation of photosynthesis by brassinosteroids 5. Role of brassinosteroids in reproductive growth and development in plants 6. Crosstalk between brassinosteroids and other signals: biological functions and molecular mechanism 7. Convergence of brassinosteroids and environmental signals 8. Brassinosteroids in plant response to high temperature stress 9. Role of brassinosteroids in cold tolerance 10. Plant responses to water stress: role of brassinosteroids 11. Brassinosteroids in pesticide metabolism and heavy metal tolerance 12. Involvement of brassinosteroids in plant response to elevated carbon dioxide 13. Regulation of plant defense against biotic stressors by brassinosteroids 14. Application of brassinosteroids for improving crop production: From laboratory to field