A Motive for Murder

E1

The Case of the Speckled Band

E2

Murder on a Midsummer's Eve

E3

Four Minus Four Is One

E4

The Case of the Perfect Crime

E5

The Case Of Harry Rigby

E6

The Case of the Blind Man's Bluff

E7

A Case of High Security

E8

The Case of Harry Crocker

E9

The Case of the Deadly Prophecy

E10

The Case of the Baker Street Nursemaids

E11

The Case of the Purloined Letter

E12

The Case of the Travelling Killer

E13

The Case of the Sitting Target

E14

The Case of the Final Curtain

E15

The Case of the Three Uncles

E16

The Case of the Body in the Case

E17

The Case of the Deadly Tower

E18

The Case of Smith & Smythe

E19

The Case of the Luckless Gambler

E20

The Case of the Shrunken Heads

E21

The Case of Magruder's Millions

E22

Fred Kimberley, the associate of Magruder, died mysteriously. Police determines that the man killed himself, clearing the weapon. Magruder, however, does not believe in this version of events.

The Case of the Other Ghost

E23

The Case of the Close-Knit Family

E24