**Shortlisted for the SLA Information Book Award 2025**From the deepest, darkest oceans to shallow coastal seas, warm tropical waters and the cold Arctic Ocean, jellyfish colour our underwater world. But what do we really know about jellyfish? Are they poisonous? Can you eat them? Is it true that they are immortal? Can they really indicate climate change?Welcome to The Jellyfish Garden, where the fascinating world of jellyfish is revealed in extraordinary detail. Includes a jellyfish spotter’s guide, the anatomy of a jellyfish, the importance of jellyfish in a biodiverse ecosystem and an in-depth look at their varying superpowers from their ability to self-heal to glowing in the dark.