Secret Letters From 0 To 10

Ten-year-old Ernest lives a flat, colorless life. Each day is the same: he comes home right after school, eats a healthy snack, and does his homework. Enter Victoria, the new girl in class. Victoria instantly falls in love with Ernest, and bulldozes her way into his life. Much to Ernest's surprise, he likes it. Bit by bit, color seeps into Ernest's humdrum existence--and he begins to realize that life can hold an endless variety of love, friendship, adventure, and change."Quirky characters, heightening suspense, and hilarious situations are deftly combined in this tender novel, which examines a few of the large and small ways people affect one another." --Booklist, starred review

Ten-year-old Ernest has a flat, colorless life--until he meets Victoria, a free spirit who falls in love with him and bulldozes her way into his life. Bit by bit, Ernest begins to realize that life can hold adventure, friendship, humor, and love. An ALA Notable Book.

Ten-year-old Ernest lives a boring existence in Paris with his grandmother until a lively girl named Victoria enters his class at school.

The first edition of this award-winning book attracted a wide audience. This second edition is both a joy to read and a useful classroom tool. Unlike traditional textbooks, it requires no mathematical prerequisites and can be read around the mathematics presented. If used as a textbook, the mathematics can be prioritized, with a book both students and instructors will enjoy reading. Secret History: The Story of Cryptology, Second Edition incorporates new material concerning various eras in the long history of cryptology. Much has happened concerning the political aspects of cryptology since the first edition appeared. The still unfolding story is updated here. The first edition of this book contained chapters devoted to the cracking of German and Japanese systems during World War II. Now the other side of this cipher war is also told, that is, how the United States was able to come up with systems that were never broken. The text is in two parts. Part I presents classic cryptology from ancient times through World War II. Part II examines modern computer cryptology. With numerous real-world examples and extensive references, the author skillfully balances the history with mathematical details, providing readers with a sound foundation in this dynamic field. FEATURES Presents a chronological development of key concepts Includes the Vigenère cipher, the one-time pad, transposition ciphers, Jefferson’s wheel cipher, Playfair cipher, ADFGX, matrix encryption, Enigma, Purple, and other classic methods Looks at the work of Claude Shannon, the origin of the National Security Agency, elliptic curve cryptography, the Data Encryption Standard, the Advanced Encryption Standard, public-key cryptography, and many other topics New chapters detail SIGABA and SIGSALY, successful systems used during World War II for text and speech, respectively Includes quantum cryptography and the impact of quantum computers

First to ninth reports, 1870-1883/84, with appendices giving reports on unpublished manuscripts in private collections; Appendices after v. [15a] pt. 10 issued without general title.