The planets Mercury,Venus, Mars, Jupiter, and Saturn—all visible to the naked eye—were known to ancient peoples. In fact, the Romans gave these planets their names as they are known today. Mercury was named after their god Mercury, the fleet-footed messenger of the gods, because the planet seems especially fast moving when viewed...

You don’t have to read this book in any particular order. We’ve designed the book so...

Both of the first author’s (Jon’s) parents were artists. They each could draw fantastical pictures that resembled real life, and were shocked to see that their son could barely muster up a stick figure. If you’ve always felt that your inner artist was best expressed through what you could build with the help of a computer...

When I decided to write a book about JavaScript, I wanted to create it in a way that felt natural to how I learned the language. I didn’t learn it from school or a book; my JavaScript knowledge comes from real-world application, trial and error, and self-motivation. I wanted to present the information in a unique way...

With every successive release of iOS and its related hardware products, Apple and journalists the world over spout hyperbolic statements about “revolutionary” features, “insanely great” devices, and “unbelievable” sales. The numbers don’t disappoint, with hundreds of millions of iOS devices having...