01476cam a2200313 4500 60106854 TxAuBib 20100226120000.0 090223s2009||||||||||||||||||||||||eng|u 2009921984 9780545090636 0545090636 TxAuBib Carman, Patrick. The black circle / Patrick Carman. Library ed. New York : Scholastic, 2009. 168 p. : ill. ; 20 cm. 39 clues ; 5 "Read the books. Play the game. Win the prizes."--Cover. "A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches a race to uncover a treasure stolen by the Nazis and the truth behind the murder of the last Russian royal family. All too soon, the treasure hunt starts to smell like a Lucian trap. But the bait might just be irresistible--what will Amy and Dan risk to find out what really happened on the night their parents died?"--P. [4] of cover. 20100226. Adventure fiction. Mystery fiction. Secret societies Fiction. Brothers and sisters Fiction. Code and cipher stories. 39 clues ; 5.