{ "item_title" : "Packet!", "item_author" : [" Wael Zitouna "], "item_description" : "But how does it actually work?Every kid asks it. Most of us answer it just... works-because, honestly, who knows?This book knows.When Arlo sends a photo of his cat to his best friend on the other side of the world, that photo doesn't travel. It gets chopped into nine thousand tiny pieces - and every single piece makes the journey alone.Meet Pip. Small, round, slightly over-confident, and carrying piece number 4,072.Ride along as Pip is handed a real address, flung down a glowing highway beside a million strangers, fired through a glass thread lying on the floor of the ocean, sealed inside a box nobody else can open, and finally lined back up on a screen on the other side of the planet.It takes less than a second. It is happening right now, under your feet, while you read this sentence.And every word of it is true. Real computer science, told as an adventure-packets, IP addresses, DNS, routers, undersea cables, encryption, servers and TCP, without a single boring paragraph56 pages of full-colour artwork, built so that every page is a story and a working diagram at the same timeWritten for ages 10-12 - the age that stops accepting it just worksAn honesty page at the back, owning exactly where the story simplified thingsTry-it-yourself experiments, so readers can watch their own packets travel across the world Perfect for curious kids, for reluctant readers who will read anything with pictures, and for any grown-up who has ever been cornered by a question they couldn't answer.The first book in the But how? series - big, complicated, invisible things, explained properly and drawn beautifully.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/9/79/818/747/9798187473786_b.jpg", "price_data" : { "retail_price" : "13.99", "online_price" : "13.99", "our_price" : "13.99", "club_price" : "13.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

Overview

Customers Also Bought

Details