Shauna. Charlotte. Mildred. Three schoolgirlsleuths. Jack. Linton. Sonny. Three schoolboy investigators. Tackleford. Onemid-sized city with a history of countless mysteries. Is there enough room atGriswalds Grammar School for two groups of kid detectives? There better be,because once these kids have set their sights on solving a mystery there'snothing that can derail them. Nothing, except maybe gossip, classwork, newfootball player cards, torment from siblings, or any number of childhooddistractions.