I'm not really a Sonny Rollins 'completest'. The biography I mentioned above has a special place in my personal library; something I expect to revist or lend to

I'm not really a Sonny Rollins 'completest'. The biography I mentioned above has a special place in my personal library; something I expect to revist or lend to a friend. This new book seems a little niche, even for me. I'm not saying I won't buy it ultimately, but it's not a 'insta-buy'.