01553cam a2200301 i 4500 295925798 TxAuBib 20100106120000.0 040423s2004||||||||||||||||||||||||eng|u 2002034758 9780763609719 $16.99 0763609714 $16.99 eng rda TxAuBib rda Janeczko, Paul B. Top secret [BOOK] : a handbook of codes, ciphers, and secret writing / Paul B. Janeczko ; illustrated by Jenna LaReau. Handbook of codes, ciphers, and secret writing. First edition. Cambridge, Mass : Candlewick Press, 2004. 136 pages : illustrations ; 23 cm. txt rdacontent n rdamedia nc rdacarrier Nonsecret codes -- book code -- dictionary code -- Codetalking -- Pig Latin -- Turkish Irish -- Caesar cipher -- St. Cyr slide -- Keyboard cipher -- Morse code -- Semaphore -- Pigpen cipher -- Rosicrucian cipher -- Date shift cipher -- Greek square cipher -- Greek skytale -- Rail fence cipher -- Route transposition cipher -- Codebreaking -- Early concealment techniques -- Null cipher -- Cardano grille -- Word grille -- Space code -- Playing card code -- Dot cipher -- Line cipher -- Zigzag cipher -- Invisible inks. 20100106. Cryptography Juvenile literature. Ciphers Juvenile literature. LaReau, Jenna.