I received this book at no cost from the publisher

ISBN: 0399557067
Published by Alfred A. Knopf Books for Young Readers on February 12, 2019
Genres: Historical
Pages: 272
Source: Publisher
Goodreads

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. He never imagined traipsing around war-torn London, solving ciphers, practicing surveillance, and searching for a traitor to the Allied forces. He certainly never expected that a strong-willed American girl named Eleanor would play Watson to his Holmes (or Holmes to his Watson, depending on who you ask).
But when a young woman goes missing, leaving behind a coded notebook, Bertie is determined to solve the mystery. With the help of Eleanor and his friend David, a Jewish refugee--and, of course, his trusty pup, Little Roo--Bertie must decipher the notebook in time to stop a double agent from spilling the biggest secret of all to the Nazis.
From the author of The Great Trouble, this suspenseful WWII adventure reminds us that times of war call for bravery, brains and teamwork from even the most unlikely heroes.
Deborah Hopkinson
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Favorite book so far this year is Inheritance by Dani Shapiro. Love historical fiction, but haven’t read this year.
I have read historical fiction. My favorite book so far this year was Four Dead Queens.
I have read them before and love them . Favorite book is the becoming!
I love Historical Fiction. Thank you
Definitely want to read this. My son likes history but doesn’t like to read, so maybe this would give him a little bit of encouragement to get those daily reading minutes in.
I love historical fiction! My favorite historical fiction book this year has been The Curse of Misty Wayfair.
I have read historical fiction. Some can be very interesting.