Codebreaker Charlotte

Charlotte loves puzzles. On her ninth birthday, she receives a card
from her great-grandmother, on which she finds a difficult code.
Soon she embarks on a quest full of codes and riddles. While she tries
to solve them, Charlotte discovers important details about the role
her great-grandmother played in the Second World War. She also
learns about three historical sites in England: Parker’s Piece, the
River Cam, and Blechley Park. You’ll learn about these places, too!

A surprising picture book about history and code language.
For codebreakers ages 6 years and up.