I found my index, but many books I do not recall well, even the ones I marked as really good. Here are the a-b authors. I am going to stick to one book per author, which is a hard choice for authors like Poul Anderson.....

Douglas Adams - The Hitchhiker's Guide to the Galaxy
Robert Adams - Castaways In Time
Terry Adams - Sentience
Brian Aldiss - Starship
Roger McBride Allen - Rogue Powers
Chester Anderson - Ten Years To Doomsday
Poul Anderson - Fire Time
Piers Anthony - Prostho Plus
Christopher Anvil - Pandora's Planet
Isaac Asimov - The End of Eternity
Robert Asprin - Thieve's World
Bill Baldwin - The Helmsman
Brian Ball - Planet Probability
Balmer & Wylie - When Worlds Collide
Pierre Barbet - Baphomet's Meteor
Neal Barrett Jr. - The Karma Corps
T.J. Bass - The Godwhale
Barrington Bayley - The Zen Gun
Greg Bear - Eon
Gregory Benford - Timescape
Stephen Berry - The Biofab War
Alfred Bester - The Stars My Destination
Lloyd Biggle Jr. - The Light That Never Was
David Bischoff - Day of the Dragonstar
James Blish - Cities In Flight
J.F. Bone - Confederation Matador
Ben Bova - Millenium
John Boyd - The Last Starship From Earth
Leigh Brackett - The Long Tomorrow
Ray Bradbury - Dandelion Wine
Marion Zimmer Bradley - Seven From the Stars
Reginald Bretnor - Gilpin's Space
David Brin - The Practice Effect
Fedrick Brown - Martians Go Home
John Brunner - The Crucible of Time
Algis Budrys - The Falling Torch
Lois McMaster Bujold - The Warrior's Apprentice
Kenneth Bulmer - On the Symb-Socket Circuit
William R. Burkett Jr. - Sleeping Planet
Edgar Rice Burroughs - A Princess of Mars
F.M. Busby - All These Earths
Edward Byers - The Long Forgetting
I cut a lot of authors and of course nothing here is later than 89 when my books got packed....