[Quoth]

Janny Wurts.
Loads of others.

You Like Anne McCaffery twice as much? But loads of great stuff there.

In Non-SF&F and not modern in my Library (paper & eBook):
Mrs Margaret Oliphant, Angela Thirkell, Jane Austin, three Brontës, esp Charlotte, Evelyn Sharp (The tax man seized her typewriter), Elinor Brent-Dyer, Noel Stretfeld, Jean Webster, L.T. Meade, Enid Blyton, Angela Brazil, Elsie J. Oxenham [Elsie Jeanette Dunkerley], Mazo de la Roche, Margery Allingham, Ngaio Marsh, Agatha Christie, Joan Aiken, Mary Roberts Rinehart, Georgette Heyer, Dorothy Sayers, Alice Bertha Gomme, Mrs Loudon, Mrs Henry Wood, Geraldine Bonner, Pearl S. Buck, Harper Lee (really only one book). Frances Hodgson Burnett, Agnes Castle, Elisabeth Chadwick, Lady Guest, Susan Coolidge, Elizabeth Daly (great Gamadge Detective/Mystery), Simon Dare (ps. of Marjorie Huxtable), Gordon Daviot aka Josephine Tay aka Elizabeth Mackintosh, Mary De Morgan, Duchess, Edith Dunton, Eleanor Farjeon, Antonia Forest aka Patricia Rubinstein, Elizabeth Cleghorn Gaskell, Elizabeth Goudge, Anna Katharine Green, Lady Augusta Gregory, Mildred Birt, Florence Finch Kelly, Mrs Lang (Husband famous Andrew Lang), Marion Florence Lansing, Mrs Leighton, Rose Macaulay, Mary (Esther Miller) MacGregor, Florence Marryat, Mrs Molesworth, L.M. Montgomery, Edith Nesbit (not just kids stories), Baroness Orczy, Ann Radcliffe, Eliza Parsons, Eleanor H. Porter, Beatrix Potter, Katherine Pyle, Marjorie Kinnan Rawlings, Mary Roberts Rinehart, Martin Ross & E. Oe. Somerville (both ladies), Christina Georgina Rossetti, Dorothy Sayers, Molly Elliot Seawell, comtesse de Sophie Ségur, Anna Sewell, Margaret Sidney, Evelyn E. Smith (SF, not E E "Doc" Smith), Harriet Lummis Smith, Mary Stewart (some Fantasy), Harriet Beecher Stowe, Rosemary Sutcliff, Florence Warden, Jean Webster, Patricia Wentworth, Charlotte M. Yonge, Madame d' Aulnoy.

Many more. Those are mostly but not all PD now.

And don't sneer at kids stories till you can write stuff still popular 50 years later! Fairy stories and Folktales originally just as much for adults if not more so.