Jim Ollhoff

Every day, people are faced with critical, life-threatening situations – in times of trouble, who can help? In this title, readers will get to know the police officers who arrive on the scene of the crime or emergency. Chapters highlight the different kinds of law enforcement officers as well as the training, tools, and knowledge police forces need to save lives and property, collect evidence, investigate crimes, and uphold the law. An interview...

Presents information about hazardous materials and hazmat technicians, including the nine classes of hazardous materials, what a hazmat suit is made of, and what hazmat training consists of.

The American Civil War continues to be one of the most significant events in US history. In this title, readers will examine the weapons–large and small–used by both Union and Confederate forces in the war. Engaging text introduces readers to the new ironclad ships and submarines built for battle and the roles they played in military campaigns. Chapters also highlight common personal weapons, such as swords, guns, and bayonets, and the development...

This title introduces readers to Neil Armstrong, the great explorer who was the first person to walk on the moon. Armstrong's life story is examined from his childhood to marriage to his studies at Perdue University and service in the US Navy and the Korean War. Armstrong's years at NASA are covered, including the Gemini and Apollo programs, as well as Armstrong's historic mission on Apollo 11 with Buzz Aldrin and Michael Collins. Armstrong's later...

Profiles key battles and events from the final stages of the Civil War, including Sherman's march to the sea, the surrender at Appomattox, and Lincoln's assassination.

Describes the types of weapons used in the Civil War and instances in which they were employed, including firearms, bombs, land mines, torpedoes, and submarines.

Identifies and details battles considered to be turning points for the North in the Civil War, including the battles at Gettysburg and Chattanooga.