I wonder why

Questions and answers about various dinosaurs including which dinosaurs fished, did dinosaurs sing or swim, and which was the biggest dinosaur?.

Presents illustrated, factual answers to such questions about reptiles as why snakes flick their tongues, which reptile is the most caring mother, and what animal is like a submarine.

Questions and answers explore the world of plants, covering such aspects as leaves, roots, stems, seeds, and fruit.

Provides the answers to forty questions about mosquitos, bees, grasshoppers, and other insects and spiders.

Questions and answers about castles, knights, and the times of long ago.

Questions and answers introduce the clothing, food, language, religion, and other aspects of daily life in Ancient Rome.

Answers such questions about reptiles as why do snakes stare, why are frogs and newts reptiles, and which reptile lives longest.

A collection of questions and answers about the oceans including "What is sand made of?" and "Which sea animals sing like canaries?".