I just finished Maisy May, and I really enjoyed it. If memory serves, it captures all the confusion and complexity of modern teenage life.
I doubt your definition of Vegemite will help most North Americans... I can't think of anything sold commonly here that's quite like either of them... maybe if you take a couple of beef broth cubes, grind them up, add a very little bit of water to make a stiff paste? If that sounds appetizing, you belong in Australia
And that's the last free book I'll get from you; you deserve money from now on. It was delightful. Finish off that Vampire book and get back to MM2.