Prologue: Prisoner 2988

Book one: Diamonds. A footfall on the stair ; The mysterious Mr. Anderson ; The knight-errant ; The man in the Donegal cap

Book two: Blood. Traces ; The original Sherlock Holmes ; The art of reasoning backward ; A case of identity

Book three: Granite. The trap door ; "Until he be dead" ; The cold cruel sea ; Arthur Conan Doyle, consulting detective ; The strange case of George Edalji ; Prisoner 1992

Book four: Paper. "You know my method" ; The ruin of John Thomson Trench ; Cannibals included ; The purloined brooch ; The gates of Peterhead ; More light, more justice ; The knight and the knave

Epilogue: What became of them.