Little Wolf, his cousin Yeller, baby brother Smellybreff, Stubbs Crow and Normus Bear set up the Yelloweyes Forest Detective Agency . Following the departure of their main teacher and star attraction of Haunted Hall for Small Horrors, Little and chums close the school to become forest detectives.
Their specialities are tracking and trailing with Stubbs Crow being the flying squad; Smellbreff specialising in small clues and Normus Bear specialising in large clues. Told in letter form by Little Wolf.