Don’t tempt Nero Wolfe to find the culprit. When foul play’s the game, he always wins—and in these three crime puzzles, the stakes are high.  HOME TO ROOST THE COP-KILLER THE SQUIRT AND THE MONKEY  First, there’s little nourishment for the detective when someone drops a poison pellet into a vitamin addict’s pillbox. Then, a murdered policeman leaves a clue folded in a newspaper, and Wolfe has to read the fine print to decipher his killer’s identity. And what do you do when a chimp is the only witness to a crime? This is no time for monkeyshines from the world’s most celebrated armchair detective.