The Terrible Troll-Bird (okładka  twarda)

One summer's eve Ola, Lina, Sina, and Trina leave their village to gather firewood in the forest, when they're surprised by the hideous call of the terrible troll-bird, a giant rooster who pops up out of the treetops and swoops down to devour their beloved horse Blakken. Little does the terrible troll-bird know that in Ola, Lina, Sina, and Trina he has finally met his match: his terrible days of terrorizing are over. Before long the whole village is celebrating the monster's demise, and even the gnomes and hulder-maidens are coming out of their hiding places in the woods to participate in a great feast. All celebration is cut short, though, with the startling appearance of two monstrous moss-grown trolls even more terrible than the terrible troll-bird himself. Luckily, the children rise to the occasion once more, saving the day before they set out on a splendid new adventure.

Filled with vibrant illustrations and telling a story of childhood ingenuity and bravery, The Terrible Troll-Bird is a delightful companion to Ingri and Edgar Parin d'Aulaire's more comprehensive books of Norwegian folklore, D'Aulaires' Book of Norse Myths and D'Aulaires' Book of Trolls.