K&R is a great book and should be read by everyone both for culture and as a model of technical writing. After working through the problems, two books that wou

K&R is a great book and should be read by everyone both for culture and as a model of technical writing. After working through the problems, two books that would be great followups are Hanson's C Interfaces and Implementations and Bryant and O'Hallaron's Computer Systems: A Programmer's Perspective.