The very first picture book featuring Ava and her imaginary sidekick Squishy McFluff! Squishy and Ava are off on a trip to London. When the family stop to give Ava's baby sister a snack, Ava and Squishy sneak off to explore Buckingham Palace and bump into who else, but the Queen of England (and her corgi)... 3+ From one of the funniest voice in young fiction today.