
Mythical Creatures Mythology
Sea Monsters: The Complete Guide to the Krakens, Leviathans and Beasts of the Deep
The Krakens, Leviathans and Monsters of the Deep
The complete guide to sea monsters: the kraken and the great serpents of the deep, the Leviathan of the Bible, the sea-beasts of Greek and Norse myth, and the monsters sailors swore filled the uncharted ocean.
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Inside this book
What you will read
- 11 chapters, primary sources
- Instant PDF download
- Original ink illustrations
- Myth and the real beasts of the deep
- Designed for print quality
See all chapters +
- 01Here Be Monsters
- 02Leviathan: The Chaos-Dragon of the Deep
- 03Tiamat and the Sea at the Beginning of the World
- 04Sea-Beasts of Greek Myth: Scylla, Charybdis and the Ketos
- 05The Midgard Serpent: The Worm That Circles the World
- 06The Kraken of the North
- 07The Sea-Serpent and the Sailors Who Swore to It
- 08Monsters of the Medieval Map
- 09The Real Beasts: Giant Squid and the Source of the Legends
- 10Sea Monsters Around the World
- 11The Deep in the Modern Imagination
About this book
About this Mythical Creatures mythology guide
The sea was the last unknown, and people filled it with monsters. This is the complete guide to sea monsters, from Leviathan and the kraken to the Midgard Serpent that circles the world.
The sea was the last unknown, and people filled it with monsters. For as long as humans have put out from shore, the deep has been imagined as the home of something vast and hungry, the place where the map ran out and the serpents began. Some of these monsters were pure terror, some were the chaos the gods fought at creation, and a few, it turns out, were real animals seen wrongly in bad light. The sea monster is the fear of the deep given a body.
This is the complete guide to the monsters of the sea. The Leviathan of the Hebrew Bible, the chaos-dragon of the ocean; the sea-beasts of Greek myth, Scylla and Charybdis and the ketos; the kraken and the sea-serpent of Norse and northern lore, the Midgard Serpent that circles the world; the monsters of the medieval map and the bestiary; and the real creatures, the giant squid and the oarfish, that lie behind some of the oldest legends.
The book sails the world's monster-haunted seas, drawing on the epics, the scriptures, the sailors' reports and the natural histories, with every chapter citing its sources.
Delivered as a print-quality PDF within 24 hours of purchase.
What you will discover inside
- Leviathan, the chaos-dragon of the deep in the Hebrew Bible
- Scylla, Charybdis and the sea-beasts of Greek myth
- The Midgard Serpent, the Norse worm coiled around the world
- The kraken and the sea-serpent of northern lore
- The monsters drawn at the edges of the medieval map
- The real animals, like the giant squid, behind the oldest sea legends
Mythical Creatures mythology book at a glance
| Tradition | Mythical Creatures mythology |
|---|---|
| Chapters | 11 chapters |
| Length | 170 pages |
| Sources | Drawn from the primary sources, cited inline |
| Reading level | Beginner-friendly. Every name and place is explained from scratch |
| Format | Print-quality PDF |
| Delivery | PDF within 24 hours |
Formats and editions
| Edition | What you get | Price |
|---|---|---|
| Instant PDF | Print-quality download, readable on any device. PDF within 24 hours. | $7.99 |
| Paperback | A paperback edition is on the way. Sign up on this page to hear when it lands on Amazon. | Coming soon |
About the author

Guillaume Henry
Founder & Editor-in-Chief, Mythologis
Guillaume Henry founded Mythologis to make the world's mythologies readable without losing what makes them strange. Every Mythologis book draws on the primary sources first, cross-references multiple translations, and avoids inventing details that aren't in the originals.
More about the authorQuestions about the Mythical Creatures mythology book
When will I receive my PDF?
Within 24 hours of purchase. Your download link arrives in your inbox automatically.
Does it cover the kraken and the Leviathan both?
Yes. The kraken of the North, the Leviathan of the Bible, the Midgard Serpent of Norse myth and the sea-beasts of Greece all get full treatment, along with the real animals that may lie behind them.
Is this book based on primary sources?
Yes. It draws on the Hebrew Bible, the Babylonian Enuma Elish, Homer and the Greek sources, the Norse Eddas, and the medieval bestiaries and sailors' accounts, with references to the standard translations.
How long is the book?
Eleven chapters, around 170 pages depending on the final layout.
Will there be a paperback on Amazon?
The PDF is available immediately. A KDP paperback edition follows once the book has been validated by readers.
What formats is this book available in?
Every title is available as an instant PDF, downloaded the moment you buy it: the link appears on the confirmation page and lands in your inbox. Selected titles also have a paperback edition on Amazon. Where the paperback is not out yet, you can sign up to be notified the day it does.
What is the return policy?
The PDF is delivered instantly by Mythologis. If a download ever fails or a file looks wrong, get in touch and we will make it right. Paperbacks bought on Amazon are handled under Amazon's own returns and refund policy.
Can I order from outside the United States?
Yes. The PDF is a digital download, so it works instantly anywhere in the world, with nothing to ship. Where a paperback edition exists, it is sold across Amazon's international marketplaces, with shipping rates and delivery times depending on your country.
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