Paul Zindel

P.C. Hawke and his partner Mackenzie are two cool, teenaged sleuths. In The Scream Museum, they find themselves on their toughest case yet. P.C. and Mackenzie's friend, Tom the janitor, has been accused of murdering the head biologist at New York City's Museum of Natural History. But they know Tom couldn't be the real killer, so they begin investigating. Exploring the crime scene and digging deep, they uncover a strange, precious artifact and a huge...

People say New York City is a jungle. Still, P.C. Hawke is a little surprised when his best friend, Mackenzie, invites him to tag along with her police coroner mother to examine a scientist who has been mauled by jaguars at the Bronx Wildlife Conservation Park. But when the two teenage sleuths learn that the scientist actually died because he was given a lethal dose of gorilla blood after the attack, they quickly realize that the most vicious predator...

When Zack Norak's father, a paleontologist, joined a dig for dinosaur bones in Utah, Zack knew the expedition was a disaster waiting to happen. Why would any scientist waste his time on a bunch of skeletons? Even if these dinosaurs were called the "terrible lizards" of Utah, they were still just a bunch of old bones. But when Zack finds a giant egg that hatches a baby raptor, the teenager discovers there are more than dead bones at the dig. Soon he...