From breaking enemy agents' ciphers to translating long lost languages, help solve all kinds of secret codes and mysterious messages in this exciting book, which is packed with over 100 puzzles. With safe combinations to crack, computer systems to hack, and much more, there's plenty to keep young codebreakers busy on journeys, rainy days and holidays.

Founded in 1973 by Peter Usborne in the UK, Usborne has become one of the world’s most beloved children’s publishers. Their reputation for engaging, kid-friendly non-fiction and activity books spans generations. Beautifully illustrated, Usborne books take kids on literary learning and artistic adventures as they discover a world of wonder.

•  96 pages
• paperback
• ages 7-9