01728cam a2200313 4500 61199434 TxAuBib 20100101120000.0 020830s2004||||||||||||||||||||||||eng|u 2002034758 9780763609719 alk. paper 0763609714 alk. paper DLC DLC DLC TxAuBib Janeczko, Paul B. Top secret : a handbook of codes, ciphers, and secret writing / Paul B. Janeczko ; illustrated by Jenna LaReau. 1st ed. Cambridge, MA. : Candlewick Press, 2004. 136 p. : ill. ; 24 cm. 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. 20100101. Cryptography Juvenile literature. Cryptography. Ciphers Juvenile literature. Ciphers. LaReau, Jenna, ill. https://catdir.loc.gov/catdir/enhancements/fy0613/2002034758-b.html Contributor biographical information https://catdir.loc.gov/catdir/enhancements/fy0613/2002034758-d.html Publisher description https://catdir.loc.gov/catdir/enhancements/fy0613/2002034758-s.html Sample text