I spent at least one hour communting each day therefore it took

I spent at least one hour communting each day therefore it took me 4 weeks to finish listening to  11/23/62.

It does not make difference to me since if it were  composed of 10 CDS , I would haved listened to it
plus two other books of similar length during the same period of time.  The only anooynance is
I have to renew the rent with libaray and fear some other patron may request it