Varney’s Midwifery 4th or Fourth Edition can be found in its entirety at: https://books.google.com/books?id=c5dn3yh4V5UC&printsec=frontcover&dq=varney’s+midwifery&hl=en&sa=X&ved=0ahUKEwiW97Pyi_DQAhUPzGMKHRDzAJkQ6AEIJTAA#v=onepage&q=varney’s%20midwifery&f=false