Explores the world of crabs, from the tiny pea crab to the large Japanese spider crab, explaining how crabs use their claws and legs for catching food, walking, and swimming.
Describes various aspects of deserts, including their creation, modernization, plant and animal life, mineral and oil resources, and how humans live there.
Examines such aspects of stars as their relationship with other heavenly bodies, their study by humanity, their chemical composition and life, and the different kinds of stars.