"The year is 1876. Warring Indian tribes still populate America's western territories even as lawless gold-rush towns begin to mark the landscape. In much of the country, it is still illegal to espouse evolution. Against this backdrop, two monomaniacal paleontologists pillage the Wild West, hunting for dinosaur fossils while surveilling, deceiving, and sabotaging each other in a rivalry that will come to be known as the Bone Wars. Into this treacherous...

Describes the formation and characteristics of igneous, metamorphic, and sedimentary rocks and how to recognize and collect them.

The Aldens take part in a hunt at a gem mine and discover that someone is out to sabotage the contest.

The book is for every young explorer who loves finding stuff in nature and bringing it home.

As Venice braces for a winter tempest, intrepid Italian sleuth Commissario Guido Brunetti finds out that an archaeologist and old friend has been savagely beaten at the palazzo home of opera singer Flavia Petrelli. Then, as the floodwaters rise, the corpse of a museum director is discovered-and Brunetti must wade through the chaotic city to solve his deadliest case yet.

Discusses how to find, identify, collect, and keep insects and suggests a variety of related activities organized by the seasons.

Suspecting a camouflaged octopus is behind mysterious sightings in the Natural History Museum's new coral reef exhibit, Sherlock Bones and his team are surprised to discover a long-haired, green beast of unknown origin hiding in the museum's swampy habitat.