Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.

Coded information may look confusing, but most codes provide hints that can help you break them. Learn how to find and interpret code patterns and repetitions. With your new super-sleuthing skills, you’ll be cracking codes in no time!

Throughout history, army generals, spies, and even scientists have guarded information through secret codes. Find out how they did it and learn how to create your own secret codes. You and your friends can share secrets that will leave everyone else scratching their heads.

Coded information may look confusing, but most codes provide hints that can help you break them. Learn how to find and interpret code patterns and repetitions. With your new super-sleuthing skills, you’ll be cracking codes in no time!

Curious George is too young to stay up all night, but before he gets his ZZZs he's going to learn as much as he can about astronomy!George loves summer nights in the country—that's where he does his best stargazing. When his friend Bill says that nobody knows how many stars there are, George is determined to count! But how will he keep track? Come along as George learns all about stars, constellations, and the night sky. Based on the Emmy-winning PBS show, this stor...

Teens still need to be guided when it comes to online gaming. The purpose of this book is to educate parents, guardians and even other teens about some of the most recommended edu-taining games. Browse this book for ideas on what games to download and keep in your devices. Buy a copy today!

Do you know that computers were only invented within the past 100 years? And that the smartphone was only recently invented, in the mid-1990s? Yet today, computers and other devices are everywhere in our lives--in classrooms, homes, and public places. From the first calculating machines made of cogs and wheels during the 1640s to virtual reality headsets such as Oculus Rift, this book charts the incredible history of computers.

(Short Story, just over 2,000 words) A war in the future. Heavy AI and self replicating machines.Personally, I think there could be a plot here. So ya never know, maybe this will be the one I go back to in a few years and mine it for a novel or six. As always, I would love to get feedback and constructive criticism of all types.

“Sparklify The Earth” offers 18 fun original creative visualisation techniques that show children how to send positive energy in the form of magical “sparkles” to everyone and everything around them such as animals, water, their neighbours, trees and friends.“Sparklify the Earth” teaches children to positively impact their world based on the power of their positive thoughts and emotions; a unique eBook for children between 4-7 years of age featuring cast of multi-ethnic global citi...

Stikky Night Skies uses a unique learning method to bring a fascinating topic to anyone with an hour to spare. We spent hundreds of hours with dozens of readers testing and refining it to be sure it will work for you.Includes a comprehensive Next Steps section with guides to the top 12 night sky objects, stargazing equipment, observatories, clubs, free star maps, space and astronomy websites, and more. For stargazers in the northern hemisphere.

From writer Stacy McAnulty and illustrator Stevie Lewis, Pluto! is a light-hearted nonfiction picture book about the history of the dwarf planet seen through the eyes of Pluto itself.Hot diggity dog! Meet Pluto! The runt of a litter of eight planets. Pluto may not be the biggest or fastest planet to revolve around the Sun, but it has a unique story to tell. From the tale of how it was found by humans to its naming as a dwarf planet, it’s Pluto’s turn to ta...

We live on Earth. Earth is a planet. It spins, giving us day and night. It goes around the sun.Everything that goes around our sun is part of our solar system. There is gas, dust, ice and rocks. There are even other planets.This book will tell you a few things about the eight planets in our solar system. Let us see how much you know. How many questions can you answer?What planet spins backwards?Where is the biggest volcano in our solar system?What planet...