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Description Field Ind Field Data
Leader LDR nam8i 00
Control # 1 2022016611
Control # Id 3 DLC
Date 5 20221118121104.0
Fixed Data 8 220428s2022 nyu j b 001 0deng
LC Card 10    $a 2022016611
ISBN 20    $a9781250814203$q(hardcover)
Obsolete 39    $a372385$cTLC
Cat. Source 40    $aDLC$beng$erda$cDLC
Authen. Ctr. 42    $apcc
Geog. Area 43    $ae-gx---$ae-pl---$ae-uk---
LC Call 50 00 $aD810.C88$bB365 2022
Dewey Class 82 00 $a940.54/8743$223/eng/20220428
ME:Pers Name 100 $aBarone, Rebecca E. F.$eauthor.
Title 245 10 $aUnbreakable :$bthe spies who cracked the Nazis' secret code /$cRebecca E.F. Barone.
Edition 250    $aFirst edition.
Projectd Pub 263    $a2210
Tag 264 264  1 $aNew York :$bHenry Holt and Company,$cc2022.
Phys Descrpt 300    $a260 p. ;$c22 cm.
Note:Bibliog 504    $aIncludes bibliographical references and index.
Abstract 520    $a"A nonfiction manuscript for young readers about a group of Allied spies and codebreakers that cracked the Nazis's infamous cypher, allowing them to read secret military messages and turn the tide of World War II. During WWII, as the Germans waged war, every Nazi plan, every attack, was sent over radio. But to the Allies listening in, the messages sounded like gibberish. The communications were encoded with a powerful cypher-unless you could unlock the key to Germany's Enigma machine. Featuring historical photos, Unbreakable tells the story of one of the most dangerous war-time code-breaking efforts ever. As Hitler marched his troops across conquered lands and deadly "wolfpacks" of German U-Boats prowled the open seas, victory-or defeat-for the Allies hinged on their desperate attempts to crack the code. Told in riveting multiple points of view, Unbreakable is perfect for fans of The Boys Who Challenged Hitler and The Nazi Hunters"--$cProvided by publisher.
Audience 521    $aAges 10-14$bHenry Holt Books for Young Readers
Audience 521    $aGrades 7-9$bHenry Holt Books for Young Readers
Subj:Topical 650  0 $aWorld War, 1939-1945$xCryptography$vJuvenile literature.
Subj:Topical 650  0 $aCryptographers.
Subj:Topical 650  0 $aWorld War, 1939-1945$xSecret service$vJuvenile literature.
Tag 949 949    $aSMJNF$bJ$c940.54$dBAR$g33390004634644$p20