I use and love Python. What's the best book to learn C ?
bballant: I will second the vote for Mastering Algorithms in C.  This book will bring you right into the details you want:
http://www.amazon.com/Mastering-Algorithms-C-Kyle-Loudon/dp/...Accelerated C++ was also mentioned and I just love this book.  It brought me back to C++ after years of being away: http://www.acceleratedcpp.com/