[3] The books tell the story of the Swedish family Hedenhös, consisting of the father Ben, mother Knota, and their two children Sten and Flisa, and their dog Urax.
[1] In all of the stories, the Hedenhös family invents or comes up with things that are known in the modern world today.
[6] For example, dark-skinned people in the books are referred to by terms that are considered offensive today.
[6] In 2013 Bonnier Carlsen temporarily halted its re-release of the books as Barna Hedenhös upptäcker Amerika (The Hedenhös Children Discover America) since the 1950 publications refer to Native Americans as "rödskinn" ("red skins").
[7] A new text was inserted in the section concerning the first interactions between the Hedenhös family and the Native American tribe, so it would not cause offence.