This childrens picture book, written by Ishizu Chihiro (1953) and illustrated by Mari Takabayashi (1960), is a story of a little house that contains 100 riddles. The answers are hidden in the pictures for young readers to identify. This award-winning book has been selected in recommended reading list for schoolchildren in Japan.This childrens picture book, written by Ishizu Chihiro (1953) and illustrated by Mari Takabayashi (1960), is a story of a little house that contains 100 riddles. The answers are hidden in the pictures for young readers to identify. This award-winning book has been selected in recommended reading list for schoolchildren in Japan.