Book Details
Format
Paperback
Pages
96
Language
English
Published
Nov 1, 2013
Publisher
Hardie Grant Egmont
ISBN-10
1742976522
ISBN-13
9781742976525
Description
One day Billie and Jack find a note hidden under a rock at school. It seems to be written in code! It's time the two friends put their code-breaking skills to the test.