Summer of the sea serpent

Description:

Jack and Annie travel in their magic tree house to the land of the mystical selkies to seek a magical sword for Merlin.

subjects: Juvenile fiction,  Fiction,  Magic,  Brothers and sisters,  Swords,  Tree houses,  Selkies,  Time travel,  Wizards,  New York Times bestseller,  nyt:series_books=2007-03-10,  Siblings,  Children's fiction,  Time travel, fiction,  Magic, fiction,  Tree houses, fiction,  Brothers and sisters, fiction,  Jack (Fictitious character : Osborne),  Annie (Fictitious character : Osborne),  Magia,  Spanish language materials,  Animales fabulosos,  Ficción juvenil,  Cabañas en los árboles,  Hermanos,  Espadas,  Viaje a través del tiempo,  Siblings, fiction,  Kinderbuch ab 8 Jahren,  Mädchen,  Junge,  Schwester,  Bruder,  Geschwister,  Baumhaus,  versteckt,  verborgen,  Zeitreise,  Abenteuer,  Merlin,  König Artus,  Schwert,  Excalibur,  Caliburn,  Eiszauberer

Times: Mittelalter