and i'd be sparky, your crime-sniffing sidekick. okay. but first we need a mystery, sparky.ebook. uh-huh, hmmm... (gasps) look at that calendar. tomorrow's date is circled in red. so? it could be the date a crime is going to be committed. by... the red heart gang! that's our calendar. i don't think any criminals use our calendar to plan their crimes. oh, hey, crumbs. let's follow them. martha, there are no mysteries here. and even if there were, you'd be eating the evidence. i'm trying to find out what the criminal stole. i think it's apple cobbler. aha! and the master thief was sitting in my chai... oh. (laughs sheepishly) actually it was a peach cobbler. let's go outside before we discover what else the master thief stole. okay. hey, this might be something. someone must have dropped it. "the whistler"? who do you think that is? someone who whistles? (helen gasps) "you've been warned!!" who's been warned? are we being warned? what about? what's going to happen to us? beats me. but heroic helen and sparky are about to find out. we are? hmm, the handwriting is very distincti