1. Embryology and anatomy of the nose and paranasal sinuses / Raphael Chan, Frank C. Astor, and Ramzi T. Younis -- 2. Pathophysiology and etiology of pediatric rhinosinusitis / Melissa A. M. Hertler, Ron B. Mitchell, and Rande H. Lazar -- 3. Diagnostic workup for pediatric rhinosinusitis / Edward Hepworth and Ron B. Mitchell -- 4. Adult versus pediatric sinusitis / Raphael Chan, Frank C. Astor, and Ramzi T. Younis -- 5. Complications of pediatric sinusitis / Kevin D. Pereira, Tina P. Elkins, and Ramzi T. Younis -- 6. Pediatric sinusitis and comorbidities / Maria T. Pena and George H. Zalzal -- 7. Pediatric allergy and sinusitis / Samantha M. Mucha and Fuad M. Baroody -- 8. Immune deficiency/disorders and pediatric sinusitis / Gary Kleiner -- 9. Cystic fibrosis and sinusitis / Craig S. Derkay and Scott A. Schraff -- 10. Medical treatment of rhinosinusitis in infants and children / Joshua A. Gottschall and Michael S. Benninger -- 11. Pediatric endoscopic sinus surgery / Ramzi T. Younis -- 12. Image-guided pediatric sinus surgery / Sam J. Daniel -- 13. A step-wise approach to endoscopic surgery for advanced sinonasal disease / Roy R. Casiano -- 14. Role of tonsils and adenoids in pediatric sinusitis / Hassan H. Ramadan -- 15. Complications of sphenoid sinus surgery / Sarita Kaza and Ramzi T. Younis -- 16. How to set up a sinus center / Michael Setzen, Gavin Setzen, and Mary LeGrand.