Secret Code Breaker Ii

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Secret Code Breaker Ii

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Author : Robert Reynard
language : en
Publisher: Smith & Daniel
Release Date : 1997

Secret Code Breaker Ii written by Robert Reynard and has been published by Smith & Daniel this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Cryptography categories.

Secret Code Breaker Iii

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Author : Robert Reynard
language : en
Publisher: Smith & Daniel
Release Date : 1999

Secret Code Breaker Iii written by Robert Reynard and has been published by Smith & Daniel this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Language Arts & Disciplines categories.

The Super Duper Puzzle Book

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Author : Editors of Applesauce Press
language : en
Publisher: Simon and Schuster
Release Date : 2021-08-10

The Super Duper Puzzle Book written by Editors of Applesauce Press and has been published by Simon and Schuster this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-10 with Juvenile Nonfiction categories.

Say goodbye to boredom forever with The Super Duper Puzzle Book, featuring hundreds of wacky and fun games, puzzles, and riddles for kids 10 and older. Make boredom a thing of the past with The Super Duper Puzzle Book, the ultimate wacky activity book for kids 10 and older. With hundreds of number challenges, riddles to solve, limericks to finish, doodles to draw, word problems, memory games, backward crossword puzzles, Sudoku, and more this wacky activity book guarantees that brains are going to get a workout. With The Super Duper Puzzle Book, kids won’t realize they’re actually learning things –they’ll be too busy laughing and having a good time!

Secrets Of The Code

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Author : Perseus
language : en
Publisher: Da Capo Press
Release Date : 2006-03-14

Secrets Of The Code written by Perseus and has been published by Da Capo Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-03-14 with Literary Criticism categories.

Draws on the works of theologians, art historians, and other experts to explore the sources, ideas, and major themes of the novel "The Da Vinci Code."

Secret Messages

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Author : David J. Alvarez
language : en
Publisher:
Release Date : 2000

Secret Messages written by David J. Alvarez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with History categories.

To defeat your enemies you must know them well. In wartime, however, enemy codemakers make that task much more difficult. If you cannot break their codes and read their messages, you may discover too late the enemy's intentions. That's why codebreakers were considered such a crucial weapon during World War II. In Secret Messages, David Alvarez provides the first comprehensive analysis of the impact of decoded radio messages (signals intelligence) upon American foreign policy and strategy from 1930 to 1945. He presents the most complete account to date of the U.S. Army's top-secret Signal Intelligence Service (SIS): its creation, its struggles, its rapid wartime growth, and its contributions to the war effort. Alvarez reveals the inner workings of the SIS (precursor of today's NSA) and the codebreaking process and explains how SIS intercepted, deciphered, and analyzed encoded messages. From its headquarters at Arlington Hall outside Washington, D.C., SIS grew from a staff of four novice codebreakers to more than 10,000 people stationed around the globe, secretly monitoring the communications of not only the Axis powers but dozens of other governments as well and producing a flood of intelligence. Some of the SIS programs were so clandestine that even the White House—unaware of the agency's existence until 1937—was kept uninformed of them, such as the 1943 creation of a super-secret program to break Soviet codes and ciphers. In addition, Alvarez brings to light such previously classified operations as the interception of Vatican communications and a comprehensive program to decrypt the communications of our wartime allies. He also dispels many of the myths about the SIS's influence on American foreign policy, showing that the impact of special intelligence in the diplomatic sphere was limited by the indifference of the White House, constraints within the program itself, and rivalries with other agencies (like the FBI). Drawing upon military and intelligence archives, interviews with retired and active cryptanalysts, and over a million pages of cryptologic documents declassified in 1996, Alvarez illuminates this dark corner of intelligence history and expands our understanding of its role in and contributions to the American effort in World War II.

Radio Girl

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Author : David Dufty
language : en
Publisher: Allen & Unwin
Release Date : 2020-04-28

Radio Girl written by David Dufty and has been published by Allen & Unwin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-28 with Biography & Autobiography categories.

All around Australia, former WRANs and navy men regard the woman they know as Mrs Mac with a level of reverence usually reserved for saints. Yet today no-one has any idea of who she was and how she rescued Australia's communication systems in World War II. Winner, Best 2020 Non-fiction, ACT Notable Awards As you climbed the rickety stairs of an old woolshed at Sydney harbour in 1944, you would hear the thrum of clicks and buzzes. Rows of men and women in uniforms and headsets would be tapping away vigorously at small machines, under the careful watch of their young female trainers. Presiding over the cacophony was a tiny woman, known to everyone as 'Mrs Mac', one of Australia's wartime legends. A smart girl from a poor mining town who loved to play with her father's tools, Violet McKenzie became an electrical engineer, a pioneer of radio and a successful businesswoman. As the clouds of war gathered in the 1930s, she defied convention and trained young women in Morse code, foreseeing that their services would soon be sorely needed. Always a champion of women, she was instrumental in getting Australian women into the armed forces. Mrs Mac was adored by the thousands of young women and men she trained, and came to be respected by the defence forces and the public too for her vision and contribution to the war effort. David Dufty brings her story to life in this heartwarming and captivating biography. '[An] incredible and inspiring life... Dufty's new biography captures her unwavering dedication in the face of adversity.' - Professor Genevieve Bell, Australian National University 'A cracking story about the famous Australian radio engineer you've never heard of.' - Dick Smith, entrepreneur and philanthropist

Forbes

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Author :
language : en
Publisher:
Release Date : 2009

Forbes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Business categories.

Seamanship Secrets

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Author : John Jamieson
language : en
Publisher: McGraw Hill Professional
Release Date : 2009-03-08

Seamanship Secrets written by John Jamieson and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-08 with Sports & Recreation categories.

"Secrets' is the modern Bowditch, written so clearly that navigation and seamanship will be comprehensible to anyone . . ." --Dave and Jaja Martin,circumnavigators and authors of Into the Light: A Family's Epic Journey "It's a great book. The prose is simple and clear . . ." --John Vigor, author of The Seaworthy Offshore Sailboat "The nautical tips and techniques presented are encyclopedic, yet the clear explanations demystify the topics . . ." --Don Launer, contributing editor for Good Old Boat magazine "It is a fine piece of work and should be read by anyone contemplating coastal cruising or blue water voyages. It definitely deserves a place in the offshore yacht's library . . ." --Ted Brewer, yacht designer, author, and offshore racing and cruising sailor Be a Better Skipper In the night, wind, rain, fog, big seas, strong currents, or congested waters, when there’s no time for textbook seamanship solutions, what you need are shortcuts and techniques that work quickly and reliably every time. Distilled from the vast accumulated lore of seamanship and navigation, here are the absolute essentials--185 techniques that work without fail in the pilothouse or the exposed cockpit or flying bridge of a shorthanded sail- or powerboat. John Jamieson shows you how to: Set up a clipboard chart table for cockpit use Avoid hazards with danger bearings or a GPS grid highway Estimate current speeds with the 50-90-100 rule Track other boats in poor visibility using radar plots and bearing drift Sail home without a rudder or get your twin-screw boat home on one working engine Dock or anchor under any conditions And much, much more Even in this age of electronic navigation you need to know how to eyeball your boat through any situation. Each of the techniques in this cut-to-the-chase book has shown itself to be absolutely repeatable. It will work this time, the next time,and the time a er that, in conditions fair or foul.

Chronicle Of The Horse

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Author :
language : en
Publisher:
Release Date : 1988-04

Chronicle Of The Horse written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988-04 with categories.

Cool Math

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Author : Christy Maganzini
language : en
Publisher:
Release Date : 1997

Cool Math written by Christy Maganzini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Mathematics categories.

Describes mathematics from zero to infinity with stops along the way for ancient puzzles, awesome math tricks, tantalizing math trivia, incredible shortcuts, and mysterious number magic.