TY - BOOK AU - Riley, Clifford TI - The 39 clues: operation trinity SN - 978-0-545-43143-9 U1 - IBED-EFic. R573 2012 PY - 2012/// CY - New York PB - Scholastic Inc. KW - Code and cipher stories KW - Orphans KW - Juvenile fiction KW - Siblings KW - Nazis KW - Altarpieces KW - Good and evil KW - Ciphers KW - Fiction KW - Adventure and adventurers N2 - the first Vesper attack on Jan van Eyck's altarpiece at Ghent in the 1600s, then jumps to WWII and young Grace Cahill's desperate bid to save the masterwork from the Nazis ER -