I read this a few years back also (Lapidus’ book) and really enjoyed it for the same reasons. One that I read 6 or 7 years ago was Fletchers Steel: an account of the gardenmakers life. Though this isn’t a new book (1989) it will do the same thing for you as did Lapidus’ book. Steele relates his experiences going through WWII , his relationship with his clients, dos and don’ts, insight into his projects. etc. This is a must in my library.
Thanks for posting this too. I have also struggled looking for books about LAs rather than solely Architects. Never crossed my mind to put it on Land8.
One other book I highly recommend, though not the genre you are looking for, is The Architecture of Happiness by alain de botton. This book opened my mind further and expressed many sentiments objectives as a designer regarding, principally, expression and aspirations of humans through design.