Books in World of Adventure series

Slow-learner Daniel Martin escapes his peers' teasing by spending most of his time outdoors. But when a van crash plunges him and a gang of bullies in the river, Daniel must choose between saving himself and risking his life to save the others. The tables are turned when Daniel, always the joke, becomes the hero and the only one who can save his classmates from the perilious rapids of the rivers.

When Andy Hawkes's parents are tragically killed by a hit-and-run driver, Andy is sent to live with his mysterious grandfather. Andy has only met Grandfather Hawkes once, at his parents' funeral. The old man seemed frail and sickly, and a little bit weird. But Andy soon finds out his grandfather isn't what he seems--he's an inventor, for one thing. Andy also discovers that his parents' deaths may not have been an accident. When Grandfather Hawkes's life is threatened, Andy decides he's not going to lose another person he loves. So Andy puts to use one of his grandfather's inventions and becomes...The Hawk!

Thirteen-year-old Ryan Swanner and his mom just moved to the mountain resort of Black Water Lake. The locals say that beneath the lake's seemingly calm surface, a giant, ancient creature lives. But Ryan's new friend Rita tells him that's just hogwash. She's not afraid to go fishing out on the lake, even though, oddly, the lake seems to be nearly empty of fish. One day Ryan sees a small animal fall from a tree into the lake--and never surface again. Something is in the lake. And it's alive....

Thirteen-year-old Nikki Roberts tries to help two children trapped by a forest fire but finds her efforts blocked by poachers who want her to become one of the fire's victims. But after a shocking turn of events, the fire becomes the least of Nikki's problems. Will Nikki's horse, Goblin, and her years of hunting guide experience save her, or will Fire Mountain reign supreme?

Twins Jeremy and Jason Parsons are helping their grandma run the Thunder Valley Ski Lodge while their grandfather recuperates from a broken hip. When Grandma Parsons joins their grandfather at the hospital, the boys are left to take care of the lodge on their own. Strange things begin happening once Grandma leaves, though. Could it be the work of a mysterious secret society called "The Broken Tree"?

Something loud crashed over their heads, and they could hear gravel and dirt hitting the top of the truck. It happened again and again. The last sound they heard was the scrape of a shovel picking up more dirt. Then it was quiet.“Where do you think we are?” Woody asked. “It’s getting really cold in here.” Roman hit the back door with his fist. “I’ll tell you where we are. We’re buried alive!”Roman Sanchez’s life has become a nightmare. His father, a SWAT officer, has been killed in the line of duty. Then masked gunmen storm Roman’s classroom and hold him and three other boys hostage in a remote mountain cabin. There’s not much time before the kidnappers’ deadly threats are carried out. Can Roman overcome his fear—and the memory of his father’s death—to lead the boys’ desperate fight for freedom?

Jesse Rodriguez has a pretty exciting job for a 13-year-old, working for his friend Buck at a small flight and skydiving school near Seattle. But he still can't wait to turn 16 and finally be old enough to make his first free-fall jump from a plane. Buck has been like a father to him ever since Jesse's dad died, and has made sure that Jesse picks up all he needs to know about skydiving while he does odd jobs around the airport.But Jesse and his friend Robin Waterford have also learned something very disturbing. Someone's been using the airport to smuggle members of a Central American drug cartel into the United States, and Jesse's worried that Buck is involved. Jesse and Robin find themselves in the middle of a dangerous international situation, and are forced to make their first jumps sooner than they ever expected!