A simple overview of nouns--the words that name things--including their uses in sentences, their common and proper types, and how to spot singular and plural forms.
A simple overview of adjectives--the words that describe nouns--including their uses in sentences, their common and proper types, and how to spot articles and different forms.
An exploration of the life cycle and life span of frogs, using up-close photographs and step-by-step text to follow a frog's growth process from egg to tadpole to froglet to mature amphibian.
An exploration of the life cycle and life span of bees, using up-close photographs and step-by-step text to follow a honeybee's growth process from egg to larva to pupa to mature insect.
An exploration of the life cycle and life span of ladybugs, using up-close photographs and step-by-step text to follow a ladybug's growth process from egg to larva to pupa to mature insect.
A fundamental exploration of battleships, including their size and firepower, history of development, gun turrets and other features, and famous models from around the world.
A fundamental exploration of aircraft carriers, including their size and carrying capacity, history of development, flight decks and other features, and famous models from around the world.
A fundamental exploration of tanks, including their size and firepower, history of development, crawler tracks and other features, and famous models from around the world.
A fundamental exploration of bombers, including their speed and carrying capacity, history of development, targeting systems and other features, and famous models from around the world.
A fundamental exploration of fighter jets, including their speed and maneuverability, history of development, cockpits and other features, and famous models from around the world.
A fundamental exploration of military helicopters, including their uses and carrying capacity, history of development, rotors and other features, and famous models from around the world.
A fundamental exploration of submarines, including their size and diving ability, history of development, periscopes and other features, and famous models from around the world.