Best books to learn solid state physics

I am going toward solid state physics in my research. To strengthen my background on the topic, I was searching for some good books. Throughout the search on the internet, I found the following list of books more recommended.

Introduction to Solid State Physics

Charles Kittel

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SU IC: QC176 .K58 2005

Solid State Physics for Engineering and Materials Science

John Philip McKelvey

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SU IC: QC176 .M35 2003

Solid State Physics

Neil W. Ashcroft and N. David Mermin

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SU IC: QC176 .A84 1976 

Elementary Solid State Physics: Principles and Applications

M. Ali Omar

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SU IC: QC176 .O43 1975