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.

"When twelve year old aspiring detective Devlin Quick goes on a fossil dig in the badlands of Montana, she realizes that she's uncovering more than just dinosaur bones, but clues indicating that a crime is afoot"--

Inspired by the 19th-century work of the Peale family, young Sybilla helps assemble a mastodon skeleton in the family's museum, then refuses to let her brother exhibit it in London. Includes historical notes.

When Ann, a smart but unlucky teenager, gets an opportunity to search for fossils in the American West, she is determined to turn her luck around and show the world her discoveries.

"You won't believe why the Old Scientist swallowed a dinosaur, a fern, a rock, a pick, a dustpan, a sifting screen, a pen, and a magnifying glass!"--

One stormy night, a little black kitten named Peter appears on the museum steps. Tabby cat Tasha is delighted to show Peter the museum's hallways and secret corners, but her siblings, Bianca and Boris, aren't as happy to welcome the new arrival. Determined to prove that Peter is just as much of a museum kitten as the others, Tasha takes him on a hunt for rats. When there's a mishap in the Dinosaur Gallery, all of the kittens must work together to...

"Inspired by a real-life 2015 discovery by a farmer in Michigan, this is a story about a boy named Caden who digs up a prehistoric woolly mammoth skeleton in his backyard. A recent heavy rain has exposed a bit of something in the yard, which Caden notices and resolves to dig up. He attempts to enlist the help of the adults in his life, who humorously dismiss his discovery. His classroom teacher jokes, "If you had found one of those, I'd eat my hat."...