Did you know that ant colonies have three distinct castes that work together? Depending on the species, animals may band together to form small family groups or complex societies. Discover these and other interesting facts in Family Groups.
"Nervous System guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function properly. Nervous System explores the characteristics and interactions of this system, its makeup, and its importance."--
"Digestive System guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function properly. Digestive System explores the characteristics and interactions of this system, its makeup, and its importance"--
"Respiratory System guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function properly. Respiratory System explores the characteristics and interactions of this system, its makeup, and its importance"--
Farm fields can span hundreds of acres. With so much area to cover, checking crops and livestock can be difficult. But with an agricultural drone, this job becomes much simpler. Young readers will discover how drones help farmers maximize efficiencies and bring abundant harvests.
The legendary crystal ceremonial mask of Kulkaan, high priest of Atlantis, was believed to have been endowed with incredible powers, with deadly consequences for all mankind. In a desperate race against time, Josh and Erica must prevent the mask from falling intact into the hands of the shadowy Crystalline Order.
Charles Kelly was the world's greatest comic book artist until he disappeared without a trace. Years later, his grandson Sam discovers a mysterious pen in Kelly's studio and is propelled into a deadly dimension where supervillains are disturbingly real.
Luke's best friend, Patrick, has disappeared on the eve of his birthday. Has he run away? Patrick's sister Emma doesn't think so, and neither does Luke. Together Luke and Emma set out to unravel the mystery of Patrick's disappearance, but soon their own lives are at risk.
Eric isn't happy when he has to spend the summer with his eccentric father, Septimus Trinket, in the backwater village of Middle Wogglehole, deep in the heart of rural Derbyshire. And things are not quite what they seem to be in the isolated village-mysterious happenings have plagued Middle Wogglehole for years. After they discover Septimus' shocking secret, Eric and Jessica must fight for their lives against powerful evil forces-in a world very different...
A school trip to the museum turns out to be more than Matthew bargained for when he meets Peter Glimmer, a 17th-century Dutch boy trapped in his own portrait. Matthew must travel hundreds of years into the past to save not only Peter, but the entire world, from the villainous Nicolaas van der Leyden.
The massive explosion in which Eleanor Chamberlain died at her research laboratory was seen as a tragic accident. Or was it the perfect crime? Two years later, Jake and Lydia discover a mysterious camera, capable of taking pictures of the distant past... and the future. As they uncover the shocking truth and learn secrets that people will kill to protect, Jake and Lydia are soon propelled into a deadly and desperate race against time to save the future....
While exploring an archeological site, Annie discovers the tomb of Lady Isabella Devereaux, who was condemned to death as a heretic. When Annie picks up a mysterious amulet that she finds in the tomb, she is hurtled back to the Middle Ages, encountering sorcery, treason and the Black Death.
Did you know that copper has been used to make pipes since 2500 bc? A plumber's job is to install, repair, and maintain pipes that carry water. When a home or business is being constructed, it is up to the plumber to decide where the plumbing will be located. Discover more fascinating facts in Plumber, a Dirty Jobs book.
Did you know that, in 2011, Americans consumed 4.7 billion pounds (2.1 billion kg) of seafood? Fishers catch fish from oceans, rivers, and lakes. Large fishing vessels that work far out at sea can work for long periods of time without needing to come back to land. Discover more fascinating facts in Fisher, a Dirty Jobs book.
Did you know that the first American taxidermy competition was held in 1880? Taxidermists use the skins, fur, feathers, and scales from deceased animals to create lifelike replicas that people can keep. Some of these replicas are displayed in museums or private homes, while others are used to study the animal more closely. Discover more fascinating facts in Taxidermist, a Dirty Jobs book.
Did you know that approximately 700,000 mechanics work in the United States? Mechanics inspect, repair, and maintain vehicles such as cars, vans, and trucks. Some mechanics specialize in work on aircraft or military vehicles. Discover more fascinating facts in Mechanic, a Dirty Jobs book.
Did you know that many animal care facilities operate for 24 hours a day? The role of an animal caretaker depends on the types of animals he or she looks after. Animal caretakers may work with pets, zoo animals, or other animals that are not raised for food. Discover more fascinating facts in Animal Caretaker, a Dirty Jobs book.
Did you know that the fat in the Bactrian camel's hump can be converted into energy when food and water are scarce? Desert animals have many adaptations that protect them from extreme temperatures and drought. Discover these and other intriguing facts in Resource Conservation.