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. From nowhere appear five ninja, armed with swords, staffs, and blades. One of the ninjas draws his sword. With shock you realize that it is the sword from Nada's dojo! You meet his attack with aikido defense, grabbing the ninja's sword arm with your left hand. The sword flies off to your right. If you go for the sword, turn to page 18. If you go for the ninja, turn to page 108. YOU choose what happens next!

The reader is kidnapped by an evil scientist, taken to his laboratory and transformed into a monster! Can the reader find a way to reverse the fiendish experiment—or remain a monster forever? The reader's choices decide his or her fate!

The reader's decisions control the course of an adventure in China, where a boy named Billy has disappeared while on a kung fu tour.

Readers are at the controls of a science fiction adventure when a hike in the mountains in broad daylight becomes a nighttime encounter with creatures from another planet

One day you come home from school and find two CIA agents waiting for you. They want you to go to Korea to pose as a student of tae kwon do. Your mission as an undercover agent will be to locate your friend Ling, the girl who taught you kung fu in China last year. She's one of the CIA's top agents in the Far East - and she's missing. It's an assignment you can't refuse!

When a group of vicious, deadly extraterrestrial vampires invades the solar system it is up to the reader to save earth from their onslaught, in this multiple-plot adventure.

The reader's decisions will determine what happens when he or she travels to Australia to help Uncle Gilroy, a famous archaeologist, search for an ancient civilization

The reader lives in the Way Far Back, a patch of wilderness on the Planet Orca, where curiosity has been strictly prohibited. When the reader and a friend decide to explore the "forbidden" zone of Orca, the Council sentences them to banishment on the Planet of Curiosity—Earth.

Beware and Warning! This book is different from other books. You and YOU ALONE are in charge of what happens in this story. There are dangers, choices, adventures, and consequences. YOU must use all of your numerous talents and much of your enormous intelligence. The wrong decision could end in disaster - even death. But, don't despair. At any time, YOU can go back and make another choice, alter the path of your story, and change its result. You live at the dawn of the Tang Dynasty, on a rural farm in China. As an orphan, your life is hard. When bandits invade your small village, you witness danger and violence - but you also see a chance to escape, and change your life forever. You know that this ancient clan show no mercy to its captors. You've got to do something. But what? Running for freedom would be risky. Would staying where you