"Ms. Hopkinson slips lots of age-appropriate wartime history and a number of real individuals (including Eisenhower)--as well as practical details about codes and ciphers and how to break them--into this info-packed adventure for sleuth-loving readers.
" --The Wall Street Journal
"This middle grade mystery novel starts with a bang and sends readers on a breakneck journey
through World War II London." --School Library Journal
"Hopkinson has written a cleverly plotted, page-turning mystery
that vividly evokes wartime Britain... Fans of puzzles, mysteries, and historical fiction will be delighted by Hopkinson's latest." --Booklist
"Red herrings, a poignant Bradshaw family backstory, ciphers to decode, a subplot regarding a young Jewish refugee friend of Bertie's, cameos by real-life historical figures (General Eisenhower and his dog; cipher expert Leo Marks)--there's certainly no shortage of entry points for young readers, and never a dull moment
." --The Horn Book
From the award-winning author of The Great Trouble comes a story of espionage, survival, and friendship during World War II. Bertie Bradshaw never set out to become a spy.