"Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents"--Provided by publisher.

Provides trivia questions and answers on a wide variety of topics, including emotions, sea life, disasters, and the globe.

"...explains the concept of choosing, individually, and as a group, from making a simple choice: "Which do you like better, apples or oranges?", to selecting a class pet, to even more complicated decisions, like electing community representatives." -- amazon.com

Profiles current robotics technologies while outlining near-future innovations, explaining the components that make up a robot, six primary robot types, and the ways in which robots are helping our world.

Gumball provides advice for his brother, Darwin, on how to create mayhem through all sorts of pranks and stunts.

This collection of optical illusions uses colors to make objects seem larger, smaller, faster, or even better looking than they are. The trick is in the backgrounds, and each illusion is like a multi-part puzzle with many different aspects about it. Full-color illustrations.

Each of these optical illusions is a masterpiece of colorful design, with visual tricks to confound the mind and please the eye. Just don't trust anything you see at first glance, because it's impossible to judge spatial relations, or even the subject of a picture, accurately. In some cases, the colors themselves deceive the eye, making objects seem larger, smaller, faster, or even better looking than they really are. Hold onto your hat--two fancy...