Secret Society of Very Important Post

It''s 1953, just days from the coronation of Queen Elizabeth, and Penny Black can''t get into the summer holiday spirit. Not when she''s about to move to Scotland and away from everything she knows for good.

But when Wishyouwas plops into the fireplace in a cloud of soot and chaos, with a summons from the Royal Postmistress herself, all of Penny''s plans suddenly go up in smoke.

The intrepi...