Kumar, S. (2025). Bakery and confectionery workshop handbook: Recipes, techniques & tips (1st ed.). Chef Sunil Kumar. https://amzn.in/d/4vB7KKA ISBN 978-9334129106

Kumar, S. (2024). Nurturing future leadership program: A comprehensive training guide. Self-published. https://amzn.in/d/3Vfu6Tz ISBN 978-9334079890

Singh, S., & Kumar, S. (2024). CRM in hospitality and tourism: Textbook for UG & PG students. Bharti Publications. ISBN-10: 9348059068, ISBN-13: 978-9348059062 https://www.amazon.in/dp/9348059068 

Kumar, S. (2024). Resort management: A textbook for PG students. Self Publication. https://amzn.in/d/013RRjwA ISBN: 978-93-340-7677-6.

Kumar, S., & Ramasamy, R. (2024). Digital marketing for PG students. AkiNik Publications. https://doi.org/10.22271/ed.book.2733 ISBN: 978-93-6135-328-4.

Kumar, S. (2024). Food quality management: Textbook UG & PG students. Notion Press. https://amzn.in/d/fbZtC2B ISBN: 9798893632095.

Kumar, S. (2024). A textbook for culinary education: A practical guide for hotel management students. Notion Press. https://amzn.eu/d/5BAGTYaISBN: 9798892331531.

Kumar, S. (2024). ICT in hospitality: A textbook for PG students. Gurucool Publishing. https://www.amazon.in/dp/8119170806 ISBN: 978-81-1917-080-6.

Rout, H. B., Ramasamy, R., & Kumar, S. (2023). Sustainable practices in tourism & hospitality. Indu Book Service Pvt. Ltd. ISBN: 978-81-1990-703-8.

Kumar, S. (2020). COVID-19 and culinary heritage: Change in eating habits during harsh time of mankind. Notion Press. https://amzn.eu/d/5anqZbt ISBN: 978-1649510495.