Explains how to write and decipher space codes, hidden word codes, and alphabet codes and gives formulas for invisible ink. Includes suggestions for delivering coded messages.
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Vendeur : Better World Books, Mishawaka, IN, Etats-Unis
Etat : Good. First Edition. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. N° de réf. du vendeur 8034899-6
Quantité disponible : 1 disponible(s)
Vendeur : Wonder Book, Frederick, MD, Etats-Unis
Etat : Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included. N° de réf. du vendeur S10C-03136
Quantité disponible : 1 disponible(s)
Vendeur : Better World Books: West, Reno, NV, Etats-Unis
Etat : Good. First Edition. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. N° de réf. du vendeur 8034899-6
Quantité disponible : 1 disponible(s)
Vendeur : HPB Inc., Dallas, TX, Etats-Unis
paperback. Etat : 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! N° de réf. du vendeur S_442511048
Quantité disponible : 1 disponible(s)
Vendeur : Hawking Books, Edgewood, TX, Etats-Unis
Etat : Very Good. Very Good Condition. Has some wear. Five star seller - Buy with confidence! N° de réf. du vendeur X0590026062X2
Quantité disponible : 1 disponible(s)
Vendeur : ThriftBooks-Atlanta, AUSTELL, GA, Etats-Unis
Paperback. Etat : Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. N° de réf. du vendeur G0590026062I3N00
Quantité disponible : 1 disponible(s)
Vendeur : Polly's Books, Grand Rapids, MI, Etats-Unis
Paperback. Etat : Good. 4th Printing, 1971. Softcovers have same cover art. A good softcover copy with a tight and square binding. Text and illustrations are clean but text has yellowed. Softcovers are good but are mildly scuffed. Careful packaging and fast shipping. We recommend EXPEDITED MAIL for even faster delivery. Shipped in 100% recyclable material. N° de réf. du vendeur 40426
Quantité disponible : 1 disponible(s)
Vendeur : The Book Garden, Bountiful, UT, Etats-Unis
Paperback. Etat : Good - Cash. General use wear, surface and edges rubbed. Corners bumped and show wear. Some creasing to the cover and along the spine. Some soiling to the back cover. Pages show reader wear. Previous owner's name inside. Secure pages, solid binding. Stock photos may not look exactly like the book. N° de réf. du vendeur 995564
Quantité disponible : 1 disponible(s)
Vendeur : The Book Beast, Mountain Grove, MO, Etats-Unis
Hardcover. Etat : Good. 1st Edition. Ex-Library. Covers and corners show where from use. Inside is very nice and enjoyable. N° de réf. du vendeur 005055
Quantité disponible : 1 disponible(s)
Vendeur : GoldBooks, Denver, CO, Etats-Unis
Paperback. Etat : new. New Copy. Customer Service Guaranteed. N° de réf. du vendeur 73E53_66_0590026062
Quantité disponible : 1 disponible(s)