Linux System Programming: Talking Directly to the Kernel and C Library

not bad http://books.google.com/books?id=k_ocKY0iegsC&dq=Talking+Directly+to+the+Kernel+and+C+Library&printsec=frontcover&source=bn&hl=en&ei=aLRJS6m_Cs2HkQX1qZCCAw&sa=X&oi=book_result&ct=result&resnum=4&ved=0CBkQ6AEwAw#v=onepage&q=Talking Directly to the Kernel and C Library&f=false

available in http://www.china-pub.com/s/?key1=kernel&type=&pz=1

linux in a nutshell

http://books.google.com/books?id=1rFLGKO0dywC&dq=Linux+Kernel+in+a+Nutshell&printsec=frontcover&source=bn&hl=en&ei=kLVJS8iFBM2IkAXJ_rGGAw&sa=X&oi=book_result&ct=result&resnum=4&ved=0CBYQ6AEwAw#v=onepage&q=&f=true

china-put has it