Väikesel Ulfil on meile nii mõndagi jutustada: sellest, kuidas ta emaga indiaanlasi mängis ja isaga maailmaruumi avastas, sõbrale vanaisa aitas otsida ja esimest korda kooli läks. Ulfi lugudes on vallatust ja huumorit, soojust ja südamlikkust. Raamat sisaldab üheksat jutustust. Ulf Stark (s 1944) on üks silmapaistvamaid Rootsi lastekirjanikke. Ta on kirjutanud ligi kolmkümmend raamatut ja neid on tõlgitud kahekümne viide keelde. Talle on omistatud mitmeid rahvusvahelisi auhindu, sealhulgas Saksa lastekirjandusauhind (Deutsche Jugendliteraturpreis, 1994) ja Põhjamaade lasteraamatuauhind (Nordic Children Book Prize, 1998). Ulf Starki on nomineeritud H. C. Anderseni preemiale ja Astrid Lindgreni mälestusauhinnale.
Ulf Gottfrid Stark was a Swedish author and screenwriter (he adapted several of his own books for film and wrote the screenplay for the 1999 film Tsatsiki, morsan och polisen).
Stark collaborated with the illustrators Anna Höglund and Mati Lepp.
From 1989 to 1998 he was an elected member of the Swedish Academy for Children's Books Svenska barnboksakademin. In 1998 he received the Nordic Children's Book Prize.
Stark was born and grew up in Stureby, Stockholm Municipality, which place features in several of his books. Stark's interest in writing started early; during his time at secondary school he was introduced to writing by his classmate Peter Curman, and in 1964 he wrote his first poetry Ett hål till livet. Following this, Stark's interest in writing for a career was greatly encouraged.