Larry Fine is author of The Piano Book: Buying & Owning a New or Used Piano, and Editor of Acoustic & Digital Piano Buyer. A Registered Piano Technician, Fine has been involved in the piano industry for more than 40 years. Larry Fine is author of The Piano Book: Buying & Owning a New or Used Piano and editor of Acoustic & Digital Piano Buyer. A registered piano technician, Fine has been involved in the piano industry for more than 40 years.