Seeing Eye — Jack Ellis

When an accident destroyed his eyesight a year ago, Campbell Knight resigned himself to endless darkness. Then suddenly he's handed a miracle; a once-in-a-lifetime chance to restore his vision. It's a secret experiment in which implants in his brain are linked to the optic nerves of Shadow, a seeing-eye dog.

The operation is a success. There's just one unusual side effect. Campbell isn't viewing the world through his own eyes; he's seeing the world through SHADOW'S . . .