Did the English Childrens Author Enid Blyton write any adult
literature in her own name  or under her pseudonym-Mary pollock?

Hi bettybumbum,

You'll find a very nice bibliography at the following link (she was busy!). 

Enid Blyton aka Mary Pollock UK  (1897 - 1968)
"Enid Blyton was born in 1897. She is the author of over 700 books for
children and creator of a host of legendary characters, including ?The
Famous Five, The Secret Seven? and, most famously, ?Noddy?, Big Ears?
and the other inhabitants of Toyland."
http://www.fantasticfiction.co.uk/authors/Enid_Blyton.htm

I believe the only adult title would be her autobiography.

The Story of My Life (1952)
A non fiction book by Enid Blyton
"The fascinating autobiography of probably the most famous and
best-loved British author of children's books."
http://www.ffbooks.co.uk/x0/x4094.htm

I hope this is what you were looking for. If you have any questions,
please post a clarification request and wait for me to respond before
closing/rating my answer.

Thank you,
hummer

Google Search Terms Used: mary pollock enid blyton bibliography