found: Her Matilda investigates, 1973.
found: Contemp. authors, new rev. series, v. 16(Anderson, Mary, 1939- ; b. Jan. 20, 1939, New York, N.Y.)
found: Her The hairy best in the woods, 1989:t.p., etc. (Mary Anderson) cover, p. 4 (author of many books for young readers, including the Mostly ghosts adventures; r. on the Upper West Side of Manhattan)
found: Cont. authors online, Nov. 26, 2001(Mary Anderson; b. Jan. 20, 1939 in New York City; m. Carl Anderson, a commercial artist; three children; writer chiefly of juvenile fiction, including Matilda investigates (1973))
