Sommerseth Shaw Celtic Literature Institute and Book vendor is created designed and owned by Creative Director Lea Sultan Celik Sommerseth Shaw designed after Scottish the Celtic origins of her child William Sommerseth Shaw. Sommerseth Shaw publishes selected 18th, 19th, 20th Century English and Celtic Literature and WSS focuses on Celtic children literature.

Bookstore and shop is Not trading online and will arrange bookclubs in Irish Cultural Center in Paris independent as all other LSS INC works.