The Black Circle, by Patrick Carman

The Black Circle, by Patrick Carman, is the fifth book in the 39 Clues series. After receiving a telegram from a mysterious person known as "NRR," Amy and Dan travel to Russia. In Russia, Amy and Dan form an alliance with Hamilton Holt. They go through a series of clues that keep leading them to different places and they are being timed.

This book takes the adventure a step further. They are sill in the lead and the clue is there's again. They are very successful and will win if they go at this rate. This will be a great choice for anyone that likes adventure stories.


-Reviewed by Daniel S., grade 9.