Twinkle Khanna (born Tina Jatin Khanna on 29 December 1974) is an Indian author, newspaper columnist, film producer, former film actress and interior designer. Her first book Mrs Funnybones sold over one hundred thousand copies, making her India's highest-selling female writer of 2015. She repeated the success with her second book, The Legend of Lakshmi Prasad, which also went on to sell over 100,000 copies by August 2017. She won the Crossword Book Award 2016 for Mrs Funnybones.

In 1996, Khanna campaigned for her father's election in New Delhi (Lok Sabha constituency). In 2000, she was part of the judges panel at Femina Miss India. She made her theater debut as the female lead in Feroz Khan's All The Best in February 2001. In 2002, Khanna opened her own interior design store in Crawford Market, Mumbai, called The White Window, in partnership with her longtime friend Gurlein Manchanda. Since then, the store has received the Elle Decor International Design Award. She has opened up another branch of the store elsewhere in Mumbai. She does not hold a professional degree and worked with an architect for two years to learn the procedures. During her pregnancy, she practised maps and designs using CAD. Khanna did the interiors for Rani Mukerji's, Reemma Sen's and Tabu's houses, Kareena Kapoor's Bandra flat in 2008 and Poonam Bajaj's design studio. On the request of one of her clients, she ordered a company to make a golden toilet seat.  Khanna has also endorsed for and designed Supertech's ORB project in Noida and another residential project in Pune. However, Khanna filed a case against Supertech for failing to pay Rs1.04 crore (US$160,000) as endorsement fees. She also mentors International Institute of Fashion Designing's Academy of Interiors. Khanna is the co-founder of Grazing Goat Pictures and has co-produced the films Tees Maar Khan (2010) and Patiala House (2011). She also did a cameo appearance in the former film. Khanna has also co-produced Thank You (2011), Khiladi 786 (2012), 72 Miles (2013) and Holiday: A Soldier Is Never Off Duty (2014). She has also been the brand ambassador for the watch brand Movado and endorsed Coca-Cola and Micromax Mobile. In 2014, Khanna and her sister sold their father's house for Rs85 crore (US$13 million).  Twinkle Khanna is a popular columnist at Daily News and Analysis after hours and The Times of India. Penguin Random House have announced that Twinkle Khanna's book Mrs Funnybones hit the Nielsen bestseller list at number 2 in its first week of sales. Launched in Mumbai on 18 August, the book has already reached number 1 on the bestseller chart of Crossword's Kemps Corner store and has been receiving praise from readers and press. Khanna's second book The Legend of Lakshmi Prasad, a collection of four short stories, launched in November 2016 sold more than 1,00,000 copies. Answer this question using a quote from the following article:

What involvement did she have in publishing?
Twinkle Khanna is a popular columnist at Daily News and Analysis after hours and The Times of India.