C: The Complete Reference By Herbert Schildt
This book is also one of the popular books for C language. This is well written by Herbert Schildt. It covers the all the aspect of the C language and in this book, Herb Schildt adopted the new ANSI/ISO standard for C, called C99.
As a special bonus, the book includes the complete source code for a C interpreter that you can use as-is enhance to fit your needs. In simple words, we can say that mind-blowing book.