Whose autobiography is titled 'Sunny Days'?

The autobiography titled "Sunny Days" was written by Sunil Gavaskar, one of India's greatest cricketers. Published in 1976, the book offers an insightful account of Gavaskar's early life, his rise in cricket, and his experiences during the 1971 West Indies tour, where he made a remarkable debut. The narrative is engaging and provides a glimpse into the challenges and triumphs of a cricketing legend.