All-in-One CCIE Service Provider 400-201 V4.0 Written Exam Guide -- http://www.amazon.com/Service-Provider-400-201-Written-Guide/dp/1514754614
And, some free 400-201 dumps for practising -- https://drive.google.com/open?id=0B-ob6L_QjGLpVkYtTGdtRWFodXM