FF = The mystery of the Flaming Footprints

SS = The mystery of the Singing Serpent

MM = The mystery of Monster Mountain

HM = The secret of the Haunted Mirror

ID = The mystery of the Invisible Dog

DtM = The mystery of Death Trap Mine

MC = The mystery of the Magic Circle

SiS = The mystery of the Sinister Scarecrow

SB = The mystery of the Scar-Faced Beggar

BC = The mystery af the Blazing Cliffs

WC = The mystery of the Wandering Cave Man

MiM = The mystery of the Missing Mermaid

TT = The mystery of the Trail of Terror

CC = The mystery of the Creep-Show Crooks

CrC = The mystery of the Cranky Collector