Meaning of the expression "modo pro manibus"

Dear all,

here is a sentence I find a bit tricky, of a writer who speaks about a book he is about to publish:

"Habeo modo pro manibus librum qui inscribit..."

How would you translate it? Obviously the translation needs to be altered, would you say "modo pro manibus" can be understood as "only a draft", or perhaps "recently delivered"?

Thanks,