Twenty-First Century Books (Tm)

Reducere. Young adults need eight to ten hours of sleep each night, yet nearly half fail to get the sleep they need, and nearly a third have fallen asleep in...

Reducere. In January 2009, a mysterious software developer, Satoshi Nakamoto, exchanged a specially designed code with another developer. The code was a digi...

Reducere. While many scientists believed influenza would cause the next great pandemic, no one was prepared for the new strain of coronavirus that appeared i...

Reducere. This official companion to the latest Star Wars film features behind-the-scenes interviews, movie stills, character profiles, and descriptions of i...

Reducere. Containing 97 percent of Earth's water supply, the ocean plays a huge role in regulating global temperatures, supporting plant and animal life, and...