鲸鱼是有史以生活在地球上的**的动物之一，但我们对它们真正了解多少呢？这本精美的指南将带领读者们深入海洋表面之下，探索不为人知的鲸鱼世界。他们将学习如何识别不同的鲸鱼品种，发现它们是如何进化的，以及它们如何进食、睡眠和相互交流。本书跟踪它们遍布世界各地的迁徙足迹，了解它们为什么会唱歌，它们如何照顾幼鲸，世界上哪里可以观察它们，以及为什么它们迫切需要我们的保护。

Whales are some of the largest animals to have ever lived on our planet, but what do we really know about them? This glorious guide takes readers deep beneath the ocean's surface to explore the unseen world of whales. They will learn how to recognize the different whale species, discover how they evolved and how they eat, sleep and communicate with each other. The book follows them on their long migration journeys around the world, and finds out why they sing, how they look after their young, where in the world to watch them and why they urgently need our protection.