How do crocodiles say I love you? What does a firefly's light mean? Humans can show love by sending a valentine, but how do other species communicate their desire? Find out about the animal kingdom's mating rituals - including gift-giving spiders, singing mice, and dancing birds.

Featuring 13 species from habitats around the world, this nonfiction children's book provides fact-based, rhyming stories about how animals indicate their interest in a potential mate. Young scientists and zoologists will learn some of the many ways that, like humans, animals 'send valentines' too!