Take the plunge into this interactive picture book spin-off of the Narwhal & Jelly series featuring the beloved anxious jellyfish, Jelly, who readers will attempt to safely navigate through the dangerous ocean . . . with hilariously mixed results!

Did the title just say that this book is dangerous? Jelly doesn’t do dangerous. Can you help Jelly find a way out? Great! Just don’t make any sudden moves or loud noises . . . and definitely DON’T touch anything!

While everything seems to come sunny-side up for Narwhal on their adventures, Jelly has more than a few worries about the many dangers waiting out there in the ocean: sea beasts, pirates, circus cannons, giant squid, lost porcupines, and spiky things of any kind could be lurking around each turn of the page! Jelly has got to find a way out of this book, and it’s up to the reader to help them . . . or not!

Come along and make your own waves as Jelly faces more than a few fears and sets sail for a dangerously sweet ending!

In the grand tradition of classics like The Monster at the End of this Book, This Book is Dangerous is a funny, fresh and vibrant new entry into the adorable, humor-filled world of Narwhal and Jelly that is destined to become a read-aloud staple for longtime fans and newcomers alike, featuring a glow-in-the-dark front cover!