Stuart Palmer

The Penguin Pool Murder

Murder on the Blackboard

The Puzzle of the Silver Persian

Hildegarde Withers Makes the Scene

Cold Poison

The Puzzle of the Pepper Tree

The Puzzle of the Happy Hooligan

Murder on Wheels

Omit Flowers

Nipped in the Bud

Four Lost Ladies

The Puzzle of the Blue Banderilla

Miss Withers Regrets

The Puzzle of the Red Stallion

Rook Takes Knight

The Green Ace

Unhappy Hooligan

Hildegarde Withers in The Riddle of the Blueblood Murders

Once Aboard the Lugger

The Riddles of Hildegarde Withers