The book follows the as they prepare for a new addition. The two older children, Ida (7) and Peter (5) , are excited about the pregnancy and give their unborn sibling the temporary nickname "Minimum".

is a classic work of sexual education for children, known for its direct and open approach to pregnancy and birth. Originally published in 1977 as "Per, Ida & Minimum" by Swedish authors Grethe Fagerström and Gunilla Hansson, it has been a staple in German-speaking households for decades. Core Premise and Story