Filmmaker Karan Johar has shared a video on social media that features his two kids. This is the first time Karan had shared a new video of his children since June. The filmmaker is launching a children's book written by him. Karan's kids, Roohi and Yash, joined him to promote the book with his followers. Karan's book - Big Thoughts of Little Luv - is inspired from his own experiences as a parent. In the book, he explores the challenges every parent faces and more. Karan's picture book will be published by Juggernaut Book and will narrate the story of twins, Luv and Kusha.