Cryptography has been used since ancient times to send hidden messages. The MISX, the Enigma Machine, the Vigenere Cipher, and the Spartan Scytale are examples from history. For the average person, cryptography remains behind the scenes. Its intertwined in the everyday tasks that people complete online, on cell phones, and on other devices. But it is always there, thanks to the scholars and codebreakers who worked through the centuries to turn cryptography into what it is today. Developed by Timothy Rasinski and featuring TIME content, this highinterest book includes essential text features like an index, captions, glossary, and table of contents. The intriguing sidebars, detailed images, and indepth Readers Guide require students to connect back to the text and encourage multiple readings. The Think Link and Dig Deeper! sections develop students higherorder thinking skills. The Check It Out! section includes suggested books, videos, and websites for further reading. Aligned with state standards, this title features complex and rigorous content appropriate for students preparing for college and career readiness.

Binding: Paperback;50 pages; Publisher: Teacher Created Materials, Inc; Classification: YNVP; Weight: 204 g; Dimensions: 132 x 202 x 10

Something not quite right? You have 21 days from the day you receive it, to send something back.

Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.

Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.

Click here to view our full Returns Policy.