Gary Paulsen

Super-brain Zack Griffin and hoops fan Jeff Brown wouldn't normally hang together. But when both boys win trips to a famous science laboratory, they find out they do have one thing in common: curiosity. They discover that one of the machines in the lab can "bend" time—and Jeff and Zack end up in 1334 B.C. Egypt! There's a plot afoot to kill King Tutankhamen, and the Time Benders have to decide if they should they save the Pharaoh or just leave well...

When Grandfather Hawke's life is threatened, Andy puts one of his grandfather's inventions to use and becomes the Hawk.

Dunc and Amos meet Prince Gustav, Amos's double. They switch places so the prince can uncover a traitor in his ranks.

Amos's big sister Amy is always dating rejects. But this time, her boyfriend was rejected by the grave! He's got pale skin, dark hair, mesmerizing eyes, an annoying tendency to disappear, and he wants to have the Culpeppers over for a late night Halloween snack.... Can Amos and his best friend, Dunc, stop the vampire before he starts to bite? Or will Amy and her man do a little necking she will never forget?
Join Gary Paulsen's cool sleuths in...

Olympic superstar Francesco Bartoli is about to hurl himself down the face of a mountain in another attempt to clinch the world slalom speed record. Someone is out to stop him, and Dunc thinks he knows who it is. Can Dunc get to the gate in time to save the day? Will Amos survive longer than fifteen minutes on the icy slopes?

Sheriff Al Murphy rushes to the aid of his friend Risa when her husband and sons disappear while on their way to report that cattleman Ben King has murdered two Mexican goatherders, but he finds that going up against King is no easy task until he gets help from unlikely allies.

"'I'm the greatest family member you'll ever meet.' Kevin Spencer has a history of big ideas going completely awry. This time around, it's personal--suddenly he's kind of in charge of a double wedding in his backyard, and a whole tribe of wacky relatives is crowding him out of his own house"--

After Midge's death, Al Murphy wandered around for years, a hollowed-out man who had turned to alcohol until it started to eat away his stomach, the same way grief had eaten away his heart. Murphy thought life had no value to him--until he stumbled upon the tail end of a murder outside Turrett. The killers, fearing that Murphy could identify them, turned their guns on him--and Murphy quickly decided he wasn't ready to die.

It’s spy vs. spy when Amos is mistaken for a government double agent and give a top-secret assignment. He’s got the trench coat, he’s got the dark sunglasses, he’s go that smooth and debonair James Bond way about him. Now all he needs is Dunc to bail him out!
 
Join best friends Dunc and Amos as they try a little espionage, Culpepper style!

When Dunc and Amos are invited to spend a week in Scotland, Dunc can already hear the bagpipes a-blowin'. But when the boys spend their first night in an ancient castle, it isn't bagpipes they hear. It's moans! Dunc hears groaning coming from inside his bedroom walls. Amos notices the eyes of a painting following him across the room! Could the castle really be haunted? Local legend has it that the castle's former lord wanders the ramparts at night...