I love reading books about letter writing and mail. One of my favorites is Envelopes by Harriet Russell.
Harriet started with sending herself mail in 1998 living in Glasgow as an art student who was surprised that mail still can be delivered, even when the address is miss-spelled. At first Harriet wrote the address of her house backwards or miss-spelled. Later, she ‘wrote’ her address more difficult like a word-searcher or draw a map of the area where she lived. Living in Glasgow, she had sent 130 envelopes to her self. And 12o envelopes were delivered back to her!
In the book Envelopes are 84 envelopes dat Harriet has sent out. Each one is like a little piece of art and each one is more creative than the next one!