Postcards are educational too

Today I got a whole bunch of beautiful postcard books of different scenic photos of various geographical locations ( at a very nice price too).  The crew already enjoyed looking through them as did I.  Much like calendars, postcards can be very educational.   They can be used for developing aesthetic taste, for learning about art, photography, architecture, geography, history, nature study, for writing and reading practice, to name a few possibilities.  Not bad for such a pedestrian sounding learning tool:)