Unpleasant note

Unpleasant Notes are the three detectives' main way of communication before they join forces. Problem Sleuth and Ace Dick have sent a ridiculous amount of notes to each other, ended by Ace Dick's "apology" note reading Problem Sleuth is OK sort of''. ''Pickle Inspector has only written one, which is to Problem Sleuth. It informs Problem Sleuth on just how impolite he is.