Download or read book Mini Books: Spy Secret Messages written by Simon Tudhope and published by Usborne Minis. This book was released on 2021-05-27 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Break secret codes and decipher vital messages in this mini book of puzzles. From collecting launch codes to reading spy watches, it's packed with activities that will keep budding secret agents busy on journeys or whilst out and about.