Bad Machinery

Shauna. Charlotte. Mildred. Three schoolgirl sleuths. Jack. Linton. Sonny. Three schoolboy investigators. Tackleford. One mid-sized city with a history of countless mysteries. Is there enough room at Griswalds Grammar School for two groups of kid detectives? There better be because once these kids set their sights on solving a mystery there's nothing that can derail them. Nothing, except maybe gossip, classwork, new football player cards, torment from siblings, stolen jackets, teacher's wives...