Tells the story of this elite corps of assassins and their secret art, how they obtain and utilize their skills in the modern world, their mysterious origins, training and philosophy.
Explains the science of mechanics, discussing force and motion, levers, and simple machines, with diagrams and experiments to help readers understand the concepts.
Explains the science of magnetism, discussing the properties and uses of magnets, magnetic fields, electromagnets, and battery power, with diagrams and simple experiments to help readers understand the material.
Examines the science of light and sound, discussing the properties of light and sound, how they travel, how they are made, and how they are recorded, with diagrams and experiments to help readers understand the material.
Explores the processes of chemical reactions, discussing the role of energy and heat and the factors affecting the speed of the reaction; and contains diagrams and experiments.
Describes the structure and properties of atoms, including how they bond to create a variety of types of molecules; and contains diagrams and experiments.
