TY  - BOOK
AU  - Osborne,Mary Pope
AU  - Murdocca,Sal
TI  - Summer of the sea serpent 
T2  - Magic tree house
SN  - 0375827358 
U1  - 813.54 
PY  - 2004///
CY  - New York 
PB  - Random House
KW  - Time travel
KW  - Magic
KW  - Selkies
KW  - Swords
KW  - Tree houses
KW  - Brothers and sisters
N1  - "A Stepping Stone book."
Lexile: 550L; Series no. from jacket
N2  - Jack and Annie travel in their magic tree house to the land of the mystical selkies to seek a magical sword for Merlin
ER  -