Originally, the Berts betraktelser trilogy appeared in the radio program Almanackan during 1989, where one program was done each day during one year, which Sören thought was fitting well for a diary.
Ursprungligen lästes Berts betraktelser-trilogin upp i radioprogrammet Almanackan under 1989, som gjordes varje dag under ett år, vilket Sören tyckte passade bra för en dagbok.