The first three books in the Holmes & Co series in PDF format from Allison Osborne.
01. A Study in Victory Red: The First Holmes & Co. Story
02. The Circle Code Conundrum: The Second Holmes & Co. Story
03. The Impossible Murderer: The Third Holmes & Co. Story
04. The Happy Family Facade: The Fourth Holmes & Co. Story
05. The Red Rover Society: The Fifth Holmes & Co. Story