Berthoud Community Library District

"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"--Provided by publisher.

"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"--Provided by publisher.

"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"--Provided by publisher.