Available at all good book shops.. and some terrible ones too.

[onyx(John)]

 

[captain clutterbuck]

I suppose for most of the cast you could find a Ladybird Book, for example the Ladybird Book of Shopkeeping and Selling by Auntie Wainwright with addendum How to fleece the customers in five easy steps . If anyone wants to add their own contribution please feel free.

 

[Graham]

Well done that man. A free painted egg with every copy sold, while stocks last.