Butterflies are all around us. It's hard to believe these majestic insects, with impressive wingspans and beautifully coloured and patterned wings, were once creepy-crawly caterpillars. How in the world does this transformation happen? This reader gives kids an up-close look at exactly how a caterpillar becomes a butterfly. With bonus information including different types of butterflies and poisonous caterpillars, this reader is one of a kind.