جزئیات کتاب
فرمت
جلد نرم
صفحات
96
زبان
انگلیسی
منتشر شده
Nov 1, 2013
ناشر
Hardie Grant Egmont
ISBN-10
1742976522
ISBN-13
9781742976525
توضیحات
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.