Pirate Islands series 1

The story of 15-year-old Kate Redding and her young brother and sister who are zapped into the computer game called Pirate Island. Marooned in an exotic archipelago, they set up base in a tree house and do battle with real pirates on a tall ship and a stranded group of castaway children. The only way home is to beat the pirates and the castaway children to the hidden pirate treasure.