I had to cheat. Couldn’t solve this one without help... it made no sense.
FZZ only had limited possibilities but it didn’t help much with the rest of it so it was plug and guess for awhile
Funny. I took a stab at the author’s first name, which gave me the last name, more or less, and picked my way through it after that. I live not far the author’s hometown, which was also the hometown of Lenard Bernstein, strangely enough.