Hands-on history for budding spies, hackers, or anyone with a secret message to send . . . Offer[s] a broad and lucid survey of cryptographic strategies. (Kirkus Reviews)
This perennially popular topic leads kids into tales of war and espionage, and to better ways of passing messages in class. Cartoon illustrations keep things cheery, as does Schwartz's overall optimism concerning cybersecurity and the white hat hacking. For middle-graders interested in the interplay of encryption and their personal security. (BCCB)
Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages. This is the launch of an exciting new series that invites readers into a STEM topic through compelling historical anecdotes, scientific backup, and DIY projects.
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Gratis für den Versand innerhalb von/der USA
Versandziele, Kosten & DauerEUR 3,55 für den Versand innerhalb von/der USA
Versandziele, Kosten & DauerAnbieter: SecondSale, Montgomery, IL, USA
Zustand: Very Good. Williams, Lily (illustrator). Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc. Bestandsnummer des Verkäufers 00084559677
Anzahl: 2 verfügbar
Anbieter: SecondSale, Montgomery, IL, USA
Zustand: Acceptable. Williams, Lily (illustrator). Item in acceptable condition! Textbooks may not include supplemental items i.e. CDs, access codes etc. Bestandsnummer des Verkäufers 00079617690
Anzahl: 1 verfügbar
Anbieter: Goodwill of the Olympics and Rainier Region, Tacoma, WA, USA
Zustand: Acceptable. Williams, Lily (illustrator). An acceptable and readable copy. All pages are intact, and the spine and cover are also intact. This item may have light highlighting, writing or underlining through out the book, curled corners, missing dust jacket and or stickers. Bestandsnummer des Verkäufers 467IJT006RI0
Anzahl: 1 verfügbar
Anbieter: Goodwill of Colorado, COLORADO SPRINGS, CO, USA
Zustand: Good. Williams, Lily (illustrator). This item is in overall good condition. Covers and dust jackets are intact but may have minor wear including slight curls or bends to corners as well as cosmetic blemishes including stickers. Pages are intact but may have minor highlighting/ writing. Binding is intact; however, spine may have slight wear overall. Digital codes may not be included and have not been tested to be redeemable and/or active. Minor shelf wear overall. Please note that all items are donated goods and are in used condition. Orders shipped Monday through Friday! Your purchase helps put people to work and learn life skills to reach their full potential. Orders shipped Monday through Friday. Your purchase helps put people to work and learn life skills to reach their full potential. Thank you! Bestandsnummer des Verkäufers 466SUS0033DP
Anzahl: 1 verfügbar
Anbieter: Goodwill Books, Hillsboro, OR, USA
Zustand: Good. Williams, Lily (illustrator). Signs of wear and consistent use. Bestandsnummer des Verkäufers 3IIK100067KY_ns
Anzahl: 1 verfügbar
Anbieter: Better World Books, Mishawaka, IN, USA
Zustand: Good. Williams, Lily (illustrator). Former library book; may include library markings. Used book that is in clean, average condition without any missing pages. Bestandsnummer des Verkäufers 38421006-6
Anzahl: 1 verfügbar
Anbieter: Better World Books, Mishawaka, IN, USA
Zustand: Very Good. Williams, Lily (illustrator). Former library book; may include library markings. Used book that is in excellent condition. May show signs of wear or have minor defects. Bestandsnummer des Verkäufers 17298212-6
Anzahl: 5 verfügbar
Anbieter: Half Price Books Inc., Dallas, TX, USA
Hardcover. Zustand: Very Good. Williams, Lily (illustrator). Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Bestandsnummer des Verkäufers S_428321412
Anzahl: 1 verfügbar
Anbieter: tLighthouse Books, Onekama, MI, USA
Zustand: good. Williams, Lily (illustrator). A copy that has been read, but remains in clean condition. All pages are intact, and the cover is intact. The spine and cover may show signs of wear. Pages can include limited notes and highlighting, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation. If you're not satisfied with purchase please return item for full refund. Bestandsnummer des Verkäufers 58BW5300040H_ns
Anzahl: 1 verfügbar
Anbieter: True Oak Books, Highland, NY, USA
Hardcover. Zustand: Very Good. Zustand des Schutzumschlags: Very Good-. Williams, Lily (illustrator). 1st Edition (Unstated); First Printing. 8.46 X 19.56 X 10.38 millimeters; 118 pages; Sticker on DJ barcode. Very Good overall condition otherwise. No other noteworthy defects. No writing.; - We offer free returns for any reason and respond promptly to all inquiries. Your order will be packaged with care and ship on the same or next business day. Buy with confidence. Bestandsnummer des Verkäufers TOB218-33789-OS-0.84
Anzahl: 1 verfügbar