Actor Emraan Hashmi, who is gearing up for the release of his book “The Kiss of Life: How A Superhero and My Son Defeated Cancer”, has shared a photograph of his son Ayaan on social media in which he can be seen donning the costume of fictional American superhero “Iron Man”.

Guess who? Yes! Ayaan-Man! #TheKissOfLife #1DayToGo https://t.co/TU5b6j8KOe pic.twitter.com/xVwy6zfrvp

— emraan hashmi (@emraanhashmi) April 6, 2016

Emraan, who has penned his struggle around Ayaan's cancer treatment in the book, shared the image on Twitter on Wednesday.