Florian and Margaret are back and this time they are going undercover. It seems there have been a series of pranks at a school, which just happens to be the one the president's daughter Lucy attends. They have to figure out who is pulling the pranks and why and if they involve Lucy. Florian and Margaret have their suspects and they uncover that the school has a secret society. Florian meets the president through his new friendship with Lucy and is able to find a missing presidential artifact. 

They also make friends while at the school. One of them is Yin a Chinese prodigy who disappears during a performance at the Kennedy Center. Now they have two mysteries to solve. Was Yin kidnapped? Did he run away? 

This was another fast-paced, exciting mystery adventure in the TOAST series. I enjoyed Florian and Margaret even more this time around. I especially liked the interactions with the kids at the new school. Florian has to stand up to a bully and it was a matter of brains over brawn and brilliant. I can't wait to read the next book.