NINJUTSU IS THE ANCIENT WAY OF INVISIBILITY. WHAT DOES IT HAVE TO DO WITH THE STRANGE PROBLEMS AT YOUR FRIEND NADA?S AIKIDO DOJO? Ominous things are happening at the dojo of your good friend Nada?powerful thunderstorms in the middle of dry season, objects that seem to move by themselves, piercing sounds coming from empty rooms. Nada traces it all to the arrival of a samurai sword from an anonymous benefactor. The sword has highly unusual and distinct carvings on its hilt. Nada feels the dojo is under attack and the sword has something to do with it. You use your years of aikido practice to...

CAN YOU FIND THE LOST KINGDOM OF ATLANTIS AGAIN? OR IS IT A WORLD YOU NO LONGER RECOGNIZE? On your first solo journey to find the Lost Continent of Atlantis, you failed to bring back proof of your success. Many people think that you imagined the whole thing?or worse. Now you and your colleague Horton James III are returning to document this amazing other world. But back below the surface of the sea dangers abound. A treacher- ous king lures you to riches; rebel slaves lure you to help lead a revolt; and the evil Nodoors aim to capture you and keep you below...for good. A greedy king, evil...

World leaders are gathered in worry as hurricanes rip cross-continent, tropical storms surge inland, and animals strange new migration patterns cause environmentalists extreme concern. Something crucial is happening in the earths weather systems, and strange crop circles near Stonehenge may unlock the secret to the climate changes. Youll have to examine past and present events first-hand in order to stave off total destruction for Earths planetary future.

After a long night of researching, your computer program locates a straight lineindicating a place where humans have altered nature. You cant be sure until you see it in person, but you think this could be the first clue in locating the ancient Lost City of the Incas. An eccentric billionaire, a ruthless archeologist, and strange twin tricksters in the middle of the jungle form a treacherous mix. You will need all your skills and wits to outsmart the adventurers who want to get to the lost Incan treasures before you.

Taking a quick day trip to Baja in your motor glider turns from glamorous to dangerous when your friends glider makes an emergency landing. The area looks treacherousand so does their situation. Youre going to encounter a bit more than some turbulence during this flight. Baja may be beautiful, but crash landings are just the beginning of your troubles. Armed and dangerous people are lurking about, and youre certain not to make it home before nightfall!

It is April 10, 1912, and you are aboard the first voyage of the RMS Titanic. You and your friend Jessica have been exploring the world-class ocean liner for a few thrilling days. Thousands of passengers are just as excited as you are to be aboard the most luxurious ship in the world. Youve learned so much about this great ship already. Now, youre about to make history as your choices avert a great tragedy or leave you to fend for your life in the deadly cold of the Atlantic Ocean.

Strap on your seatbelt and get ready for the ride of your life. You are in Switzerland preparing to compete in the largest auto race in Europe. Your cousin lends you his prized sports car for the race. But youve been offered money by gamblers who want you to throw the race. You must decide whether or not to accept the money, and how can you compete if the race is rigged?