TY  - BOOK
AU  - DiTerlizzi,Tony and Holly Black
TI  - The Spiderwick Chronicles: The seeing stone / 
SN  - 0689859376
PY  - 2003///
PB  - Simon & Schuster Books for Young Readers, New York. 
N2  - When Mallory and Jared attempt to rescue Simon from goblins, they use a magical stone which enables them to see things that are normally invisible
ER  -