This book contains 25 secret codes for your child to crack! Suitable for ages 6 - 10, this book contains clues and answers as well as space to create their own codes. Flip the book back to front to find the clues! Your child will soon be a code cracking and code writing extraordinaire! 
The book follows Charlie as they get into different situations and you will have to crack the code to answer the questions.
This book contains:
Crpytograms
Morse Code
Pigpen Cipher
Secret Pirates Code
And many more codes to crack!
Have fun cracking the codes!