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

First, there's little nourishment for the detective when someone drops a poison pellet into a vitamin addict's pillbox.

The Cop-Killer

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.

The Squirt and the Monkey

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.