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The Manga Guide to Cryptography 

Marsoni M251S
Sale price$21.28
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The Manga Guide to CryptographyCryptography is hard, but it's less hard when it's filled with adorable Japanese manga. The latest addition to the Manga Guide series, The Manga Guide to Cryptography, turns the art of encryption and decryption into plain, comic illustrated English. As you follow Inspector Jun Meguro in his quest to bring a cipher wielding thief to justice, you'll learn how cryptographic ciphers work. (Ciphers are the algorithms at the heart of cryptography.) Like all
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Kathleen Maddox
Lake Worth, US
★★★★★ 5
so soft and pretty
Color: 01 - White, Size: King (20" x 36")
These Pillow cases are so Soft and Cooling , I loved them the first night my little head Hit the Pillow. A little over Priced. but good Quality.
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Reviewed in the United States on May 17, 2026
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laura himm
Omaha, US
★★★★★ 5
Very cool
Color: 01 - White, Size: Queen (20" x 30")
This pillowcase is awesome. It stays cool if you get warm you turn it over. It’s cold on the other side. It’s silky but not slippery. Highly recommend these their
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Reviewed in the United States on May 2, 2026
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Kim H
Massapequa, US
★★★★★ 5
Good quality pillowcase for cooling and Skin Care during sleep
Color: 02 - Beige, Size: Queen (20" x 30")
I bought this pillow case specifically for cooling while sleeping during the summer. It works pretty well and also replaces my satin pillowcase used to keep my skin in hair intact. I can recommend this pillowcase if you're looking for cooling and sleekness during sleep.
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Reviewed in the United States on May 27, 2026
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Elise
Port Orchard, US
★★★★★ 4
Very slippery
Color: 01 - White, Size: Queen (20" x 30")
UPDATE: the sellers saw my poor review, reached out immediately, and made things right. Excellent customer service! I hate this thing. It’s sort of slimy and the pillow case slides all around over your pillow. Would not buy again.
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Reviewed in the United States on May 24, 2026
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Lou-N-Georgia
Omaha, US
★★★★★ 5
It helps with hot flashes
Color: 01 - White, Size: Queen (20" x 30")
Very nice! Stays nice and cool and provides relief when you’re having a hot flash. Washes up nicely.
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Reviewed in the United States on May 22, 2026

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