“I need to buy some postcards to send to Mom and Dad,' said Ian, heading up the steas to the Captain's Quill Bookshop. 'I also want to send some funny ones to Jackson and some of my other friends.''I'll get one for my mom,' said Zoe.But as she sorted through the postcards, she remembered her mom was travling all summer without a fixed address, and email was a no-go because Granddad didn't own a computer. She didn't have the addresses of any of her friends with her, either-not that she had many friends.”