When a boy discovers that breaking open rocks with fossils brings the fossils back to life, he ends up bringing something back that is bigger than he can handle.

A field mouse finds himself in the Field Museum when the roof of his former home is transported there with the rest of the bones of a dinosaur named Sue.

When Stink becomes obsessed with finding a fossil in his backyard, Judy and Stink's friend Sophie come up with a plan to help him find something.

"The Aldens visit a dinosaur dig in Montana and soon become involved in a mystery involving missing dinosaur bones"--

The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.

Arrogant and entitled William Johnson, a Yale student with more privilege than sense, has joined world-renowned paleontologist Othniel Charles Marsh on his latest expedition. But when the paranoid and secretive Marsh becomes convinced that William is spying for his nemesis, Edwin Drinker Cope, he abandons him in Cheyenne, Wyoming, a locus of crime and vice. William is forced to join forces with Cope and soon stumbles upon a discovery of historic proportions....