Books in Crabtree Chrome series

This engaging title begins with a recount of the events of October 29, 1929, better known as Black Thursday, to mark the dawn of the Great Depression era. Readers will discover the causes of the depression, its affect on people across North America, and how governments responded to it. Readers will also draw comparisons to modern-day economic trials.

When tanks roared onto the battlefield for the first time in World War I, these mechanical beasts changed how battles were fought and how wars were won. Tanks at War looks at the history of tanks, the always-changing technology of weaponry and armor, and how tactics for the use of tanks in battle have changed from a hundred years ago to modern conflicts today. Read about new technologies in the works for the future including robotic tanks and invisibility cloaking devices.

True or false? In October 1871, a cow kicked a lantern over and sparked a fire that would destroy much of the city of Chicago. The cow tale is likely not the true story, but the damage and death toll of the Great Chicago Fire were very real. This engrossing book explores the causes of the fire, how it spread, and the aftermath of the blaze. It also explains how the mighty city was rebuilt to become one of the most architecturally diverse and original cities in the world.

In 1692, two young girls in Salem, Massachusetts, were diagnosed by the local doctor as being bewitched. Hysteria over witchcraft reached a fever pitch leading the Puritan townsfolk to accuse friends and neighbors of being under Satan's influence. This book tells the unbelievable, yet true, story of how innocent people were jailed on the evidence of dreams and visions, and how the legal system allowed nineteen people to be hanged before the governor of the state brought the people of Salem to their senses.

To be a spy in todays high-tech world, youve got to specializewhether youre keeping tabs on foreign governments, fighting terrorist organizations, or stopping cyber espionage. This fascinating book describes spying throughout history, the gadgetry of a spy, and what kind of training is required to join intelligence-gathering agencies around the world.

The robots of today do more than just heavy lifting. Machines that can sense the world and make decisions are now being used in space, industry, medicine, and the military. This adventurous book follows the development of robots over the past century and describes how modern robots continue to revolutionize different fields making our lives easier, healthier, saferand more exciting.

The snarls of beasts, the clash of steel, the cries of the victims, and the roar of the crowdthese are the gladiator games of ancient Rome. The heroes of these spectacles were the gladiators, who were idolized like todays pop stars. This exciting book reveals the sometimes surprising facts about how these fierce combatants livedand if they could nothow they tried to "die well."