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Seller's Description:
New. 1996. 1st Edition. Paperback. This text contains 40 different scientifically-sound activities children can do to explore the world of spy science, such as: writing in invisible ink; building a listening device; sending a message in Morse code; and visiting the CIA's home page on the Internet. Illustrator(s): Shems, Ed. Num Pages: 128 pages, illustrations. BIC Classification: 5AJ; YBG; YNM; YNT. Category: (J) Children / Juvenile. Dimension: 250 x 178 x 10. Weight in Grams: 244......We ship daily from our Bookshop.