01135cam a2200313 4500 160301954 TxAuBib 20140515120000.0 130923s2014||||||||||||||||||||||||eng|u 9780545521451 paper over board 0545521459 paper over board (OCoLC)876915391 TxAuBib Standiford, Natalie. Countdown / Natalie Standiford. First edition. New York, NY : Scholastic Inc., 2014. 190 pages : illustrations ; 20 cm. 39 Clues: Unstoppable Series ; 3 39 clues Unstoppable ; bk.3 With Amy and Dan still in pursuit of Pierce, Amy does something unthinkable that sends shockwaves through her family. 20140515. Brothers and sisters Juvenile Fiction. Adventure stories Juvenile fiction. Chapter Book. 39 Clues: Unstoppable Series ; 3. 39 clues Unstoppable ; bk.3. TXPLE