Foreign import Claudia Ciesla who disappeared from the Bollywood scene has now turned author. Being a certified nutritionist, Claudia has penned a book on fitness titled 'Keep Eating Keep Losing'. In fact, the book published by Om International, has the foreword given by none other than Sonakshi Sinha. Polish - German model turned actress Claudia who has acted in films like Kyaa Kool Hain Hum 3 has done a couple of item numbers. She is famously known for the dance number, 'O Balma' from the film Khiladi 786. She has also participated in reality shows and has done a Punjabi film named Yaar Pardesi. Besides Claudia, actresses like Shilpa Shetty Kundra and Sonali Bendre too have tried their hands at turning authors.