Crossword Genius

A publisher's cover man (10)

Ross

I believe the answer is:

bookbinder

I'm a little stuck... Click here to teach me more about this clue!

'a publisher's' is the definition.
(thesaurus)

'cover man' is the wordplay.
I cannot quite understand how this works, but
'cover' could be 'bind' (binding is a kind of covering) and 'bind' is located in the answer.
'man' could be 'ker' and 'ker' is found within the remaining letters.
The remaining letters 'boo' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in The Globe and Mail.
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