[2] His first book as writer and illustrator, Nordiska Väsen, was published in 2013, and describes creatures from Nordic folklore.

He has subsequently released other books, including Nordiska gudar,[1] De odöda,[3] and Drakar.

[4][5] He has also illustrated books by J. R. R. Tolkien,[6][7] Astrid Lindgren,[8] and Isaac Bashevis Singer.

In 2020, Nordiska Väsen was adapted into the table-top roleplaying game Vaesen by Free League Publishing.

[10] Egerkrans also illustrated the new edition of the Swedish classic roleplaying game Drakar & Demoner/Dragonbane.