The planet in a glass jar

The two children were sure that visiting grandma’s house would be boring as always…
Grandma was not having fun at all! All he did was shop, knit and fill glass jars.
That night, however, the grandmother disappeared from the house.
Where did he go? And what secret is hidden behind the strange door of the basement?
An amazing book that talks about the wonderful world we live in and the preservation of the natural and cultural heritage of our planet.