Ragnarok - Valhall

The grand finale of the Ragnarok series is here! Ubbe faces several obstacles: he must shatter the runestone that enchants Idunn, heal his brother, and defeat the cunning god Loki. But how do you overcome an immortal god?

Odin Helgheim

Odin Helgheim
Christopher Helberg

Odin Helgheim (b. 1996) is from Sandefjord but now lives in Oslo. He trained as a primary school teacher but currently works full time as a comic book creator. The first book in his series, Fenrisulven (The Fenrir Wolf), won the ARK Children’s Book Prize in 2020. The rights have been sold to numerous countries.

Rights sold to

Denmark
Sweden
Germany
The Czech Republic

Foreign rights

Tonje Tornes
Editor/ agent
[email protected]
+4792869374
bonnierforlag.no

Edited September 15, 2025 by Bonnier Norsk Forlag