Walk into the Cave of Time and don't turn back. Keep going. I know it's dark and your hands feel clammy. The passageway you're in is getting so it's about half an inch wider than you are. But keep going. You are about to see the beginning of time, the end of time, and some wild times in between. I don't want to say what could happen to you. I just hope you'll know what to do when you need to know it, and have good luck along the way.

    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.

    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!

    You're riding horseback toward an eerie castle when a thick fog rolls in. Suddenly you're surrounded by wolves! Your uncle races ahead- but Nina is thrown off her horse and disappears into the fog. What should you do?If you decide to stay and look for Nina, turn to page 54. If you decide to go on ahead with your uncle, turn to page 69. Beware! You might be attacked by deadly vampires, or you might find the magic jewel that will destroy their evil forever!

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

    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.

    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 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?

    George's parents, who have always been wary of technology, warn him about their new neighbors: Eric is a scientist and his daughter, Annie, seems to be following in his footsteps. But when George befriends them and Cosmos, their super-computer, he finds himself on a wildly fun adventure, while learning about physics, time, and the universe. With Cosmos's help, he can travel to other planets and a black hole. But what would happen if the wrong people got their hands on Cosmos? George, Annie, and Eric aren't about to find out, and what ensues is a funny adventure that clearly explains the mysteries of science. Garry Parsons' energetic illustrations add humor and interest, and his scientific drawings add clarity; there are also eight 4-page full-color inserts of scientific photos.

    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?

    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

    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?