On a day full of rainbows, one little girl is playing in her tree house when there comes a knock on the door. It's a unicorn! She loves unicorns! Thinking this one must be lost, she has the wonderful idea to bring the unicorn to live at a pet shop, where there are so many...

On a day full of rainbows, one little girl is playing in her tree house when there comes a knock on the door. It's a unicorn! She loves unicorns! Thinking this one must be lost, she has the wonderful idea to bring the unicorn to live at a pet shop, where there are so many types of animals and homes. But when the unicorn doesn't fit anywhere, she wonders if a farm would be more suitable. Or a maybe a carnival. Nothing seems to work--is there any place this unicorn would belong? With charming illustrations in candy-like colors and fun hands-on elements, this latest book in an internationally popular novelty series is sure to delight believers everywhere.