The
Swedish books were published by Natur och Kultur and are translated to several
languages. Mama Moo or
Mamma Moo is a fictional character created by Jujja and Tomas Wieslander that
first appeared in a Swedish children's radio drama and then later on LP albums
(Min lilla kråksång and Mamma Mu where the crow was voiced by Anders Ågren),
books illustrated by Sven Nordqvist, a computer game and other merchandice. The
Swedish books were published by Natur och Kultur and are translated to several
languages.