Hi and welcome to the site.
I haven't found anything yet but someone may jump in with an idea where to look..
I did find out a little about her... might be an interesting read..
Lillian Beckwith
Born in Ellesmere Port, Cheshire, 1916, went to Hebrides before Word War Two and spent 20 years as a schoolteacher there. Her semi-autobiographical and humorous books tell of her life there.
Bibliography
1959 The Hills is Lonely, novel, Hutchinson, London
1961 The Sea for Breakfast, novel, Hutchinson, London
1964 The Loud Halo, novel, Hutchinson, London
1967 Green Hand, novel, Hutchinson, London
1968 A Rope - In Case, novel, Hutchinson, London
1971 About my Father‘s Business, novel, Hutchinson, London
1973 Lightly Poached, novel, Hutchinson, London
1974 The Spuddy, novella, Hutchinson, London
1975 Beautiful Just!, novel, Hutchinson, London
1976 Lillian Beckwith‘s Hebridean Cookbook, non-fiction, Hutchinson, London
1978 Bruach Blend, novel, Hutchinson, London
1984 A Shine of Rainbows, novel, Hutchinson, London
1986 A Proper Woman, novel, Century, London
1988 The Bay of Strangers, short stories, Century, London
1989 The Small Party, novel, Century, London
1992 An Island Apart, novel, Century London
2002 A Breath of Autumn, House of Stratus, London