Carman, Patrick.

The black circle / Patrick Carman. - 1st ed. - New York : Scholastic, c2009. - 168 p. : ill. ; 20 cm. - The 39 clues ; bk. 5. .

"Includes six game cards"-- Cover. "Read the books. Collect the cards. Play the game." -- Cover.

The hunt for the 39 Clues leads Amy and Dan to their most treacherous destination yet a frozen land of Cahill secrets and betrayals. With danger chasing close behind, the siblings must track down one of history's greatest lost treasures. Governments were toppled and rulers were killed during the last attempt to find it. Do Amy and Dan even stand a chance?

ISBN: 9780545060455 (hbk.) 0545060451 (hbk.)

Subjects--Topical Terms:
Brothers and sisters
Cahill, Amy (Fictitious character)
Cahill, Dan (Fictitious character)
Family
Family life
Ciphers
Buried treasure
Adventure and adventurers
Mystery and detective stories.
Children's literature

Dewey Class. No.: 813.6