The Codebreakers Handbookde Herbie BrennanMateriasCryptographyScience, juvenile literatureCyphersJuvenile literatureEdiciones (1)The Codebreakers Handbook (2006)Faber & Faber · ISBN 9780571224616Más obras de Herbie BrennanFaerie Lord (The Faerie Wars Chronicles)SSeriously Weird True StoriesSeriously Weird True StoriesThe doomsday box