C

There are many books on C. The two listed here are the original classic (also known as "K&R") and a book that was hailed as its possible replacement as the "one C book you must have." The author learned C from earlier editions of both of these.

Harbison, Samuel and Guy Steele. C: A Reference Manual, Fifth Edition. Pearson Education, 2002.

Kernighan, Brian and Dennis Ritchie. The C Programming Language, Second Edition. Prentice Hall, 1988.