INTRODUCTION TO MAGNETIC MATERIALS

B. D. CULLITY.

I think  "Elements of Magnetochemistry" book by R. L. Dutta and A. Syamal is a very handy guide in the field of magnetism.

thank you for answer friends 

Are you dealing with natural or synthetic materials?  Iron based?

deal with synthetic material iron based also

This book for an introduction to Magnetism is fine:

Magnetism in Condensed Matter

Magnetism in Condensed Matter

Stephen Blundell

978-0-19-850591-4

Oxford Master Series in Physics

In addition to those mentioned earlier, try:

Hubert, A. and Schafer, R., 1998, Magnetic Domains, 2nd ed: Springer, 696p.

Cornell, R.M., and Schwertmann,U., 2003, The iron oxides, 2nd ed: Wiley-VCH, 664p.

Bhushan, B., 1996, Tribology and mechanics of magnetic storage devices,

2nd ed, Springer, 1125p.

thank you so much gary