In this third book in the exceptional Curiosity House mystery series by bestselling author Lauren Oliver and mysterious recluse H. C. Chester, four children must uncover the evil Nicholas Rattigan´s newest dastardly scheme, wage war with a rival freak show, and deal with a spy who may have infiltrated their happy home. Sam, Philippa, Thomas, and Max have just started to recover from their capture and subsequent escape from Rattigan. But the children´s lives don´t stay quiet for long. A slew of bank robberies is terrorizing the city. And when Professor Farnum, the ringmaster of the museum´s now immensely popular flea circus, is charged with murder, the search for the real killer uncovers a plot much bigger than any individual crime--a plot that can only be the work of Nicholas Rattigan. This is the third book in the series and contains even more exciting marvels, such as: A nefarious spy within the museumA very unfortunate flea circusThe heavenly Georgie Rawls, from the original cast of Last ChanceA beautiful and mysterious tattooed lady It continues not to have: A comprehensive review of the top ten toothbrushesA heaping bowl of sugarless cerealA long and boring family vacation A handmade, scratchy wool sweater