How to be an International Spy: Your Training Manual, Should You Choose to Accept it

The Flag Book

Where Is the Bermuda Triangle?

How to be a Space Explorer: Your Out-of-this-World Adventure

Shark Life: True Stories About Sharks & the Sea

The Science of Science Fiction: The Influence of Film and Fiction on the Science and Culture of Our Times

What Was the Titanic?

City Trails - New York

Who Was Jacques Cousteau?

The Science of Harry Potter: The Spellbinding Science Behind the Magic, Gadgets, Potions, and More!

Water Parks

City Trails - Tokyo

Where Is Walt Disney World?

Around the World in 50 Ways

Movie Director

City Trails - Paris

One Well: The Story of Water on Earth

City Trails - Rome

All About the Philippines: Stories, Songs, Crafts and Games for Kids

City Trails - London