Top of my list would be anything Terry Pratchett read by Stephen Briggs.
Then not in any particular order:
Diana Wynne Jones: Howls Moving Castle/House of Many Ways - Jenny Sterlin. Conrad's Fate - Gerard Doyle. Enchanted Glass - Steven Crossley.
Nevil Shute: Most of his books, read by various great readers.
Georgette Heyer: pretty much everything is great, standouts would be: Grand Sophy, Unknown Ajax, Cotillion, The Talisman Ring.
Elizabeth Cadell: everything is fun (The Lark Shall Sing is my fav), some read by her great granddaughter.
Michael J Sullivan: Riyira Revolutions is a complete series, Riyria Chronicles is still being added to, read by Tim Gerard Reynolds
Agatha Christie: all great, best by Hugh Fraser, Emilia Fox and David Suchet.
Sheri Cobb South: John Pickett Mysteries, read by Joel Froomkin.
Amelia Peabody series, read by Barbara Rosenblat.
Angela Thirkell: various (fav was Summer Half)
Dorothy Gilman: Mrs. Pollifax, read by Barbara Rosenblat.
Kerry Greenwood: Phryne Fisher Mysteries, read by Stephanie Daniel.
Charles Finch: Charles Lenox Mysteries, read by James Langton.
James Anderson: Blood Stained Egg Cosy and two more at Alderley, read by Cornelius Grant.
Margery Allingham: all great, but for audible I went abridged for the first time
, but only because it's Philip Franks reading.
Marian Babson: Perkins and Tate, read by Steven Crossley.
Ngaio Marsh: all good, favs read by Philip Franks and James Saxon.
PG Wodehouse: all fun but Adventures of Sally is my fav, read by Jonathan Cecil.
Josephine Tey: Brat Farrar and Franchise Affair, read by Carole Boyd.
Jane Austen: all good, various readers.
DE Stevenson: various but fav would be the Miss Buncles, read by Patricia Gillimore.
Miss Read: Village School etc, read by Phyllida Nash
Oops sorry this is getting long, I'd better stop. I get so excited when I get to talk books