Acually Phat is right, he just used a funny way to put it the bible says
2 Timothy 3:16 (New International Version)
16All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness,
Copyright © 1973, 1978, 1984 by International Bible Society
so yes there were human authors but some of them weren't even alive when what happened did. Take Adam and Eve for example moses wrote most of the old testiment but he wasn't in the garden with them God spoke to him and told him what to say sometimes the author didn't even know they were writing kinda like sleep walking only sleep writing