Invisible ink (827 resultados)

Paperback. Condición: Good. The whole world is a laboratory, even your house! With 84 safe and fun experiments and activities, SUPER Science Experiments: Cool Creations is the ultimate lab book for creative kid scientists.

Paperback. Condición: Very Good.

Paperback. Condición: Very Good.

Paperback. Condición: Very Good. "A wealth of information in an engaging package." -- Kirkus Reviews Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the damage of traitors are interspersed with a look at the technological advances that continue to change the rules of gathering intelligence. Back matter includes source notes, a bibliography, and an index. …

Paperback. Condición: Good. "A wealth of information in an engaging package." -- Kirkus Reviews Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the damage of traitors are interspersed with a look at the technological advances that continue to change the rules of gathering intelligence. Back matter includes source notes, a bibliography, and an index.…

Paperback. Condición: Fair. "A wealth of information in an engaging package." -- Kirkus Reviews Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the damage of traitors are interspersed with a look at the technological advances that continue to change the rules of gathering intelligence. Back matter includes source notes, a bibliography, and an index.…

Condición: good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condición: good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condición: acceptable. Book is in acceptable condition and shows signs of wear. Book may also include underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condición: good. Fast Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy.

Condición: Good. . . All orders guaranteed and ship within 24 hours. Before placing your order for please contact us for confirmation on the book's binding. Check out our other listings to add to your order for discounted shipping.

Paperback. Condición: Very Good. Reprint. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Condición: Good. [ No Hassle 30 Day Returns ][ Ships Daily ] [ Underlining/Highlighting: NONE ] [ Writing: NONE ] [ Edition: Reprint ] Publisher: Candlewick Pub Date: 9/11/2012 Binding: Paperback Pages: 256 Reprint edition.

Condición: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Condición: good. This book is in good condition with very minimal damage. Pages may have minimal notes or highlighting. Cover image on the book may vary from photo. Ships out quickly in a secure plastic mailer.

Condición: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Condición: Very Good. Illustrated. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Condición: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

paperback. Condición: Fair.

paperback. Condición: Good.

Paperback. Condición: Very Good. "A wealth of information in an engaging package." -- Kirkus Reviews Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the damage of traitors are interspersed with a look at the technological advances that continue to change the rules of gathering intelligence. Back matter includes source notes, a bibliography, and an index. …

Paperback. Condición: Fair. "A wealth of information in an engaging package." -- Kirkus Reviews Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the damage of traitors are interspersed with a look at the technological advances that continue to change the rules of gathering intelligence. Back matter includes source notes, a bibliography, and an index.…

Paperback. Condición: Good. "A wealth of information in an engaging package." -- Kirkus Reviews Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the damage of traitors are interspersed with a look at the technological advances that continue to change the rules of gathering intelligence. Back matter includes source notes, a bibliography, and an index.…

Paperback. Condición: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Patricio Clarey (ilustrador).

paperback. Condición: Very Good. 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.

paperback. Condición: Very Good. 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.

Paperback. Condición: Very Good. 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.

paperback. Condición: Very Good. 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.

Paperback. Condición: Very Good. 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.

Hardcover. Condición: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.