Pike, Sybil Hillman (27 July 1929 - 9 March 2021). Retired research librarian at the Library of Congress and then a bookseller. She operated the book shop Wayward Books (of Washington, D.C. and then Sargentville, Maine) with her partner, the writer Doris Grumbach.

See Pike's obituary here.

See also a 1990 article by Lori Miller in the Washington Post on the move from Washington, D.C. to Maine that notes some history of the book shop.