Hardcover 1967 EDITION- WITH DUST JACKET-SMALL TEAR ON FRONT OF DUST JACKET-FRAYED AND TEARS TO EDGE OF DUST JACKET-Publisher: Brockhampton Press, Great Britain, Used - Very Good. Pages unmarked. Dust jacket heavily edgeworn
Description of story - What a shock for the Secret Seven when jack's annoying sister Susie forms a rival club called The Tiresome Three.  But was Susie really wicked enough to have stolen the guy's clothes and their firework money?  Watch the sparks ly as the Secret Seven get to grips with their most frustrating mystery!