Im also looking for it, but so far I just found some sample pages here:
www[dot]weltbild.de/3/17896900-1/buch/myboshi-drinnen-und-draussen.html
and also sample pages from what seem to me other 3 myboshi books here:
www [dot]weltbild.de/3/18026770-1/buch/myboshi-deineboshiwelt.html
www[dot]weltbild.de/3/17463733-1/buch/myboshi-muetzenundmehr.html
www[dot]weltbild.de/3/17181025-1/buch/myboshi-muetzenmacher-mit-cd-rom.html
:L I know its not what youre looking for, I was just trying to help.