One day he invites you into his secret laboratory to show you his most daring invention—the hypolaser. Before you can stop him, he pulls a red lever—and vanishes into another dimension!What should you do?If you decide to pull the red lever too, turn to page 26.If you decide to pull the green lever and try to bring your professor back, turn to page 33.Be careful! If you enter this strange new universe you might meet your own double, or become the ruler of an alien race—or even be turned into a bat!

    Young readers journey to Scotland to find a missing family crest and encounter mysterious curses, ghosts, sinister forces, and other dangers.

    You and your friends Tony and Andrea set off in search of another friend, Jill, who has vanished in the Bermuda Triangle.

    EVIL POWER MASTER CLAIMS RESPONSIBILITY.He's back! And the Evil Power Master is seeking revenge. You are the primary unit commander of the Lacoonian System Rapid Force response team, in charge of protecting all planets in the Lacoonian System. As you and your team position to find and fight him, you discover that the Evil Power Master has zeroed in on three planets. His goal is to destroy them and all life on them. Your gut tells you he will stop at nothing now."You're right, Flppto. I hoped we had destroyed him in the Purple Days War.""Well, Commander, don't be hard on yourself. You did your best. His power must be strong again, or he would never have attacked. What form he will take this time remains to be seen.""What should we do?"If you decide to check out Sector immediately, turn to page 6. YOU choose what happens next!

    Now the agency is counting on you to find the deadly Dimitrius, a human time bomb who can explode with all the force of an atomic blast! But before you start your search, you'll need an undercover identity. What should you be?If you decide to pose as a professional gambler, turn to page 74. If you pretend to be an art collector, turn to page 23. Think carefully! Dimitrius is dangerous. He might shatter you into a thousand fiery pieces—unless you can outsmart him and save the world from disaster!What happens next in the story? It all depends on the choice you make. How does the story end? Only you can find out! And the best part is that you can keep reading and rereading until you've had not one but many incredibly daring experiences!

    You are the leader of a team of French Resistance fighters. Your mission: rescue two people whom the Nazis are holding captive in a castle high in the Alps. You decide to parachute into the mountains near the castle. But as soon as you land, you hear the crack of rifle shots. The Naxi Alpencorps is hot on your trail!

    You have spent almost six months alone in space, and your only companion is your computer, Henry. You are steering your ship through a meteorite shower when an urgent signal comes from headquarters—a ship in your sector is under attack by space pirates!

    Your job is to track the gorillas and write their story. It's no easy task. Poachers, wild buffaloes, snakes, and the Ugandan jungle itself put your life at risk. A girl from the local village goes missing and the world's eyes are on you when the BBC shows up with a film crew to document your work.

    Magically transported to Sherwood Forest, the reader must come to the aid of Robin Hood after the evil Sheriff of Nottingham captures Maid Marian.

    You travel from France to Africa in a balloon, accompanied by your friends Peter and Sarah and a dog named Harry.

    Could it be the remnants of the fabled Lost City of Gold? Or will your search be just another wild goose chase?

    They're putting up rides and booths for the annual carnival. But this year things look really different. Really odd. Really scary. The place is lit up by a hundred fiery torches. And spooky music is coming from the main tent. Then you meet Big Al, the creepy carnival manager. He's invited you in to test some of the rides. Will you brave the terrifying Supersonic Space Coaster? Risk the horrors of the Reptile Petting Zoo? Slice through the oily waters of Booger Bog? Or confront the evil Snake Lady? The choice is yours in this scary GOOSEBUMPS adventure that's packed with over 20 super spooky endings.Readers beware—you choose the scare! GIVE YOURSELF GOOSEBUMPS

    You must prove yourself in a duel with quarterstaves, but you've never used them before.You can try to defend yourself or escape through the angry crowd. Your decision can lead you to safety or leave you stranded in time!ARE YOU READY TO FACE THE DANGER?

    Can you survive the clutches of the hideous Bloodbeast, or defeat a noxious inhuman Orc? Deep in the caverns beneath Firetop Mountain lies an untold wealth of treasure, guarded by a powerful Warlock -or so the rumor goes. Several adventurers like yourself have set off for Firetop Mountain in search of the Warlock's hoard. None has ever returned. Do you dare follow them?

    For a thousand years, an ancient and all-powerful vampire god has lain dormant in the Mayan jungle. In 1850, he awakes -- and sets out for Europe...London, 1850. An enormous ship has just reached port. From its hull, a flock of bats ascends and disappears into the streets. Jack Harkett intends to board the ship, in search of food or money. Instead, he encounters a boy his own age -- running for his life! The boy recounts horrific tales about a vampire plague that's killed the entire crew.With no one to turn to but each other, the two boys vow to stop these horrors from continuing. Their pledge will take them on dangerous adventures from London to Paris and finally to Mexico, to confront the beast who started all this destruction....