So the day care is having a field trip to a science fair and the local tornado siren goes off, the teacher rushes the kids to the shelter and then starts answering questions for the frightened kids. She calms them, tells them what's going on and how they (and their parents) can stay safe in the middle of a tornado. It's a great way to respond to a time like this and a great way to lure in the readers so they will absorb the same lessons.
Now, I'm not convinced that you're going to get kids living in an area that has the tornado shelters and sirens, etc. that are that old and not have some clue about what's going on (sure, maybe a couple of people who've just moved into the area, but not that many) -- but this book isn't trying to go for accuracy, it's trying to teach something. Like, say, about tornado shelters and sirens to kids so they know what they are before being taken to a shelter by their day care teacher. Basically, sure, it's a plot problem, but this book doesn't care about things like that.
Storywise, it's just different enough from Tummy Rumble Quake (well, this was actually published first, I guess, but I read them in this order. Still, technically, Tummy Rumble Quake is just different enough from this), which is a pretty tricky thing to pull off, but will keep some kids from tuning out -- it's not just a case of "here we go again." The ways to stay safe are clear, and will help minimize the fearfulness of the situation.
Again, on behalf of parents with little musical ability, some tips on how to sing this mnemonic song (a tune suggestion, perhaps), would be very helpful and welcome. The inclusion of the song is a great idea.
Sager's art did the job -- good use of colors and details, without overwhelming the reader and distracting them from the text. The tornado-elephant mashup pictures were an inspired choice -- one suggested by the text, no doubt, but the execution was spot-on.
A wonderful idea and I'm pretty sure a great help for those in areas where this is a lesson to be taught. I'd encourage parents and others to grab this one, too.
Disclaimer: I received this book from the author in exchange for this post and my honest opinion.