Joe Celko's Puzzles and Answers is a nice complement to the Smarties book. Neither of them cover analytic functions, though. And they can really make a differe

Joe Celko's Puzzles and Answers is a nice complement to the Smarties book. Neither of them cover analytic functions, though. And they can really make a difference (for performance and succinctness). So it's worth it to look into them after going through these books.