I try to write in a conversational style, but I'm still wondering about this sentence:
He knew a thing or two about correctional institutes, had researched them while writing his thesis.
Is it fine the way it is, or would one of the below be better?
He knew a thing or two about correctional institutes. He'd researched them while writing his thesis.
He knew a thing or two about correctional institutes--he'd researched them while writing his thesis.
Thanks!
EDIT: sorry about the formatting.
He knew a thing or two about correctional institutes, had researched them while writing his thesis.
Is it fine the way it is, or would one of the below be better?
He knew a thing or two about correctional institutes. He'd researched them while writing his thesis.
He knew a thing or two about correctional institutes--he'd researched them while writing his thesis.
Thanks!
EDIT: sorry about the formatting.