Titel
Making Secret Codes
Forfatter
Jillian Gregory
Beskrivelse
Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.
Lyt gratis
via Mofibo (45 dage Gratis)
Ingen binding på abonnement, 60 dages gratis prøveperiode, kompatibel med Sonos – Danmarks største udvalg af lyd og e-bøger.
