Part1: History and Normal nail 1. History of nail diseases Amiya Kumar Mukhopadhyaya 2. Nail anatomy and physiology Pooja Arora Mrig, Neha Meena 3. Nail unit signs Niharika Ranjan Lal, Piyush Kumar, Rizwana Barkat 4. An approach to nail examination Shiha Bansal, Neha Kumar Part2: Diagnostics 5. Laboratory investigations of nail diseases Shukla Das, RichaTigga 6. Imaging in nail diseases Kalpana Bhat, Swagata ArvindTambe, Hemangi R. Jerajani, Deepak Bhatt , Chitra S. Nayak 7. Onychoscopy and nail fold capillaroscopy Deepak Jakhar, Archana Singal 8. Basics of onychopathology Eckart Haneke 9. Onychopathology of common nail diseases Sonal Sharma, Pooja Sharma Part3: Nail Unit Abnormalities 10. Nail plate abnormalities Balachandra S. Ankad, Savitha L Beergouder 11. Chromonychia Michela Starace, Aurora Alessandrini, Bianca Maria Piraccini 12. Ingrown nail Azzam Alkhalifah, Bertrand Richert Part4: Inflammatory nail diseases 13. Nail psoriasis Chander Grover, Subuhi Kaul 14. Nail lichen planus Iffat Hassan, Mohammad Abid Keen, Yasmeen Jabeen Bhat 15. Trachyonychia Archana Singal, M.N. Kayarkatte Part5: Infective Nail Diseases 16. Dermatophytic onychomycosis Malcolm Pinto, Manjunath Shenoi 17. Non-dermatophytic onychomycosis Avner Shemer 18. Infections and infestations of nail unit Vineet Relhan, Vikrant Choubey Part6: Nail in Dermatological and Systemic Diseases; Occupation and Drug Induced Nail Changes 19. Nail in dermatological diseases Piyush Kumar, Niharika Ranjan Lal 20. Nails in systemic diseases Bela J. Shah 21. Occupational nail diseases Deepika Pandhi, Vandana Kataria 22. Chronic Paronychia Santoshdev P Rathod, Pooja Agarwal 23. Nail changes due to systemic drugs Vijay Zawar, Manoj Pawar Part7: Nail in Special Populations 24. Nail in children: Congenital and hereditary diseases Taru Garg, Sarita Sanke 25. Nail in elderly population Savitha AS, Shashikumar BM Part8: Nail Unit Tumors 26. Benign tumors Eckart Haneke 27. Malignant tumors Eckart Haneke Part9: Psychocutaneous Nail Disorders 28. Nail tic disorders Ishmeet Kaur, Archana Singal Part10: Surgical Management of Nail Diseases 29. Basics of nail surgery Shilpa Kapanigowda, Biju Vasudevan 30. Anesthesia of the nail unit Shekhar Neema, Dipali Rathod 31. Biopsy of the nail unit Sushil Tahiliani, Harsh Tahiliani 32. Injection therapy for nail disorders B.B. Mahajan, Jyotisterna Mittal, Khayati Singla, Parul Chojer 33. Surgery for benign tumors Eckart Haneke Part11: Nail Cosmetics 34. Nail care and nail cosmetics Soni Nanda, Sonal Bansal 35. The science of nail polish, nail polish remover, and nail moisturizers Somodyuti Chandra, Anupam Das Part12: Miscellaneous Conditions 36. Nail degloving syndrome Robert Baran 37. Miscellaneous nail conditions Sunil K. Kothiwala, Piyush Kumar 38. Photography of the nail unit Sanjeev Gupta, Kartikay Aggarwal