A Goldmine (English-Bengali)

A farmer tells his sons that his farm is a goldmine - the more they dig, the more gold they will get. Excitedly they go to dig the field, but don"t find any gold. Their father encourages him to sow the wheat, which grows big and tall. When they take the wheat to the market, they understand what their father means - the more ground you dig so you can sow wheat, the more money you get at the end of it!
A book that extols the virtues of hard work, and reaping what you sow. With text in both English and Bengali, with other languages available on request.