United Kingdom, Dec. 9 -- Eric Dane will open up about his ALS battle and his career in a new memoir.

The 53-year-old actor went public with his diagnosis of ALS (amyotrophic lateral sclerosis) - a progressive neurodegenerative disease that attacks nerve cells and causes loss of muscle control - earlier this year, and he is keen to "capture the moments that shaped" him in new autobiography Book of Days: A Memoir in Moments.

The Grey's Anatomy star said in a statement: "I wake up every morning, and I'm immediately reminded that this is real - this illness, this challenge and that's exactly why I'm writing this book.

"I want to capture the moments that shaped me - the beautiful days, the hard ones, the ones I never took for granted - so ...