I'm sure there'll be some discussion, so I'll edit this post to show a nice easy to read list as each title as it's suggested.
(No affiliate links)
Jerry D Young (Amazon Author Page)
Christopher G Nuttall
Kathy In Florida
John Ringo
John Wyndham (Amazon Author Page)
" High Country Journal Wyoming" - HozayBuck (pdf)
Jerry D. Young (Tired Old Man Stories)
Jerry D. Young (Fleataxis Stories)
"A Will To Survive" - Kathy In Florida
"Cold Camp" - Tim J. Escape
"Lights Out" by David Crawford
"Collision Course" by David Crawford
"Deep Winter" - Thomas Sherry
"Remnant" - Thomas Sherry
"Shatter (Deep Winter)" - Thomas Sherry
"Overthrown: The Death of America 1-6" - Travis O'Dean
"Lucifer's Hammer" - Larry Niven
"Island In The Sea Of Time" - S.M. Stirling
"Empty World"- John Christopher
"The Stand" -Stephen King
"Farnham's Freehold" - Robert Heinlein
"One Second After" - William R. Forstchen
"Last Light" - Alex Scarrow
"Lucifer's Hammer" - Larry Niven
"Disaster in the Burbs" - Jerry D. Young
"Conspicuous Consumption" - Jerry D. Young
"Day of the Triffids" - John Wyndham
"The Death of Grass" - John Christopher
"The Road" - Cormac McCarthy
"Newsflesh Trilogy" (Feed, Deadline & Blackout) - Mira Grant
"Under The Dome" - Stephen King
And a HUGE list from tc556guy! Thanks!
"A Canticle for Leibowitz" - Walter M. Miller, Jr
"A Gift Upon the Shore" - M.K. Wren
"A Heritage of Stars" - Clifford D. Simak
"A Hunters Fire" - Floyd D. Dale
"A Hymn Before Battle" - John Ringo
"A meeting at Corvalis" - S.M. Stirling
"A Sweet Sweet Summer" - Jane Gaskell
"A Time for Dragons" - Gary Gentile
"After the Bomb" - Gloria D. Miklowitz
"After the Rain" - John Bowen
"Aftertime" - Sophie Littlefield
"Aftermath" - Charles Sheffield
"Aftershock" - Chuck Scarborough
"Afterwar" - Janet Morris ( editor )
"Against the Fall of Night" - Arthur C. Clarke
"Against the Tide of Years" - S.M. Stirling
"Alas, Babylon" - Pat Frank
"The Alien Years" - Robert Silverberg
"All Fools Day" - Edmund Cooper
"Alongside Night" - J. neil Schulman
"Agviq" - Michael Armstrong
"Among Madmen" - Jim Starlin, Daina Graziunas
"The Andromeda Strain" - Michael Crichton
"Ariel" - Steven R. Boyett
"Armageddon 2419 A.D." - Philip Francis Nowlan
"Armageddon’s Children" - Terry Brooks
"Armor" - John Steakley
"Ashes Ashes" - Rene Barjavel
"Ashes of the Earth" - Eliot Pattinson
"Atlantis" - Greg Donegan
"Ballroom of the Skies" - John D. MacDonald
"Beasts" - John Crowley
"Between the Strokes of Night" - Charles Sheffield
"Beyond Armageddon" - Walter M Miller Jr ( editor )
"Beyond the Burning Lands" - John Christopher
"The Black Death" - Gwyneth Cravens, John S. Marr
"Black Monday" - Bob Reiss
"Body Armor: 2000" - Joe Haldeman ( editor )
"Bone Dance" - Emma Bull
"The Breaking Earth" - Keith Laumer
"Burn Down the Sky" - James Jaros
"Califia’s Daughters" - Leigh Richards
"Cally’s War" - John Ringo, Julie Cochrane
"The Calling of Bara" - Sheila Sullivan
"Carriers" - Patrick Lynch
"Cataclysm : Day the World Died" - Don Pendleton
"Chapterhouse Dune" - Frank Herbert
"Chicago Red" - R.M. Meluch
"Childhoods End" - Arthur C. Clarke
"Children of Dune" - Frank Herbert
"City of Illusions" - Ursula K. LeGuin
"Conquistador" - S.M. Stirling
"Costigan’s Needle" - Jerry Sohl
"Countdown to Midnight" - H. Bruce Franklin ( editor)
"The Country of the Blind" - Michael Flynn
"Damnation Alley" - Roger Zelazny
"Dark December" - Alfred Coppel
"Darkening Island" - Christopher Priest
"Davy " - Edgar Pangborn
"Dawns Uncertain Light" - Neal Barrett, Jr
"The Day After Doomsday" - Rena Vale
"The Day New York Went Dry" - Charles Einstein
"The Day the Oceans Overflowed" - Charles L. Fontenay
"The Day of the Drones" - A.M. Lightner
"Daybreak Zero" - John Barnes
"Daybreak-2250 A.D." - Andre Norton
"Dead Morn" - Piers Anthony, Roberto Fuentes
"Deadly Image" - Edmund Cooper
"Deathday" - William C. Dietz
"Deep Fathom" - James Rollins
"Deus Ex Machina" - J.V. Brummels
"Dhalgren" - Samuel R. Delany
"Dies the Fire" - S.M. Stirling
"Domain" - James Herbert
"Doomsday" - Fred Warshofsky
"Down There in the Darkness" - George Turner
"Down to a Sunless Sea" - David Graham
"The Drought" - J.G. Ballard
"The Drowned World" - J. G. Ballard
"Dune" - Frank Herbert
"Dust" - Charles Pellegrino
"The Dying" - Leslie Horvitz
"The Earth Remembers" - Susan Torian Olan
"Earthrise" - William C. Dietz
"Earth Winter" - Richard Moran
"Earthwreck!" - Thomas N. Scortia
"Ecotopia" - Ernest Callenbach
"Ecotopia Emerging" - Ernest Callenbach
"The Edict" - Max Ehrlich
"The Empire of Ice" - Richard Moran
"Enclave" - Kit Reed
"The End of the Dream" - John Brunner
"Erewhon" - Samuel Butler
"Eternity Road" - Jack McDevitt
"Evolutions Shore" - Ian McDonald
"Exiles Trilogy" - Ben Bova
"Exit Earth" - Martin Caidin
"Fallen Angels" - Larry Niven, jerry Pournelle, Michael Flynn
"False Dawn" - Chelsea Quinn Yarbro
"Farnham’s Freehold" - Robert A. Heinlein
"Fifty Degrees Below" - Kim Staley Robinson
"Fire Lance" - David Mace
"Fireworks" James A. Moore
"The First to Awaken" - Granville Hicks
"Flood" - Stephen Baxter
"Footfall" - Larry Niven, Jerry Pournelle
"Footprints of Thunder" - James F. David
"The Forever Hero" - L.E. Modesitt, Jr
"The Forever War" - Joe Haldeman
"Future Primitive" - Kim Stanley Robinson ( editor )
"The Gate to Women’s Country" - Sheri S. Tepper
"Gorgon Child" - Steven Barnes
"The Green Rain" - Paul Tabori
"Greybeard" - Brian W. Aldiss
"Gust Front" - John Ringo
"The Harvest" - Robert Charles Wilson
"Heat" - Arthur Herzog
"Heavy Weather" - Bruce Sterling
"Hell’s Faire" - John Ringo
"Hello America" - J.G. Ballard
"Here Abide Monsters" - Andre Norton
"Heretics of Dune" - Frank Herbert
"Hiero’s Journey" - Sterling E. Lanier
"Horizon" - Sophie Littlefield
"The Hot Zone" - Richard Preston
"Ice" - Anna Kavan
"Ice!" - Arnold Federbush
"Ice and Iron" - Wilson Tucker
"The Ice Schooner" - Michael Moorcock
"Ice Quake" - Crawford Kilian
"Ill Wind" - Kevin J. Anderson, Doug Beason
"The Immortals" - Tracy Hickman
"In The Drift" - Terry Carr ( editor )
"Island in the Sea of Time" - S.M. Stirling
"Iris" - William Barton. Michael Capobiango
"Ironmaster" - Patrick Tilley
"The Last Breath" - Eugene Carl Shaffer
"The Last Hope of Earth" - Lan Wright
"The Last Ship" - William Brinkley
"The Last World War" - Dayton ward
"Level 7" - Mordecai Roshwald
"Liberation-Being The Adventures of the Slick Six After the Collapse of America" - Brian Francis Slattery
"Logans Run" - William F. Nolan, George Clayton Johnson
"Logans World" - William F. Nolan
"The Long Afternoon of Earth" - Brian Aldiss
"The Long Tomorrow" - Leigh Brackett
"Long Voyage Back" - Luke Rhinehart
"The Long Winter" - John Christopher
"Looking Backward" - Edward Bellamy
"The Lost Continent" - Edgar Rice Burroughs
"Lost Horizon" - James Hilton
"Lucifers Hammer" - Larry Niven, Jerry Pournelle
"Make Room! Make Room!" - Harry Harrison
"Malevil" - Robert Merle
"The Man Who Awoke" - Lawrence Manning
"The Marked Man" - Charles Ingrid
"The Martian Chronicles" - Ray Bradbury
"Maximum Ice" - Kay Kenyon
"Memories" - Mike McQuay
"Mister Touch" - Malcom Bosse
"Mockingbird" - Walter Tevis
"Moonfall" - Jack McDevitt
"Nature’s End" - Whitley Strieber, james Kunetka
"Nerves" - Lester Del Ray
"The Nitrogen Fix" - Hal Clement
"No Room For Man" - Ralph S. Clem, Martin Harry Greenberg (editors )
"Not This August" - C.M. Kornbluth
"The Nuclear Catastrophe" - Bett Pohnka, Barbara C. Griffin
"O-Zone" - Paul Theroux
"October the First is Too Late" - Fred Hoyle
"On the Beach" - Nevil Shute
"One Second After" - William R. Forstchen
"Orion Shall Rise" - Poul Anderson
"Other Americas" - Norman Spinrad ( editor )
"The Parasite War" - Tim Sullivan
"The Past Through Tomorrow" - Robert A. Heinlein
"The Peace War" - Vernor Vinge
"People of the Sky" - Claire Bell
"Perfect People" - Robert Lieberman
"Phantom Regiments" - Robert Adams ( editor )
"The Plague" - Albert Camus
"Plague War " - Jeff Carlson
"Plague Year" - Jeff Carlson
"Pockets of Resistance" - Will Sundown
"The Postman" - David Brin
"Post-Apocalypse Dead Letter Office" - Nathan Poell
"Pulling Through" - Dean Ing
"The Puppet Masters" - Robert A. Heinlein
"Pure Blood" - Mike McQuay
"The Purple Cloud" - M.P. Shiel
"Queen City Jazz" - Kathleen Ann Goonan
"Re-Birth" - John Wyndham
"Red Alert" - Peter Bryant
"Red Shadows" - Yvonne Navarro
"Revolt in 2100" - Robert A. Heinlein
"Rings of Ice" - Piers Anthony
"Riverworld series##" - Philip Jose Farmer
"The Road" - Cormac McCarthy
"The Ruins of Earth" - Thomas M. Disch ( editor )
"Saint Leibowitz and the Wild Horse Woman" - Walter M. Miller, Jr
"The Scourge of God" - S.M. Stirling
"The Sea is Boiling Hot" - George Bamber
"The Sheep Look Up" - John Brunner
"Shudder Child" - Warren C. Norwood
"Single Combat" - Dean Ing
"Some Will Not Die" - Aldis Budrys
"The Steel, the Mist, and The Blazing Sun" - Christopher Anvil
"The Stone War" - Medline E. Robins
"The Sunrise Lands" - S.M. Stirling
"Supernova" - Roger MacBride, Eric Kotani
"Survival 2000 series:" - James McPhee
"Blood Quest"
"Frozen Fire"
"Renegade War"
"The Return Man" - V.M. Zito
"Survival" - Julie E. Czerneda
"Survival Margin" - Charles Eric Maine
"Survival World" - Frank Belknap Long
"Survivors" - John Nahmlos
"The Sword of the Spirits" - John Christopher
"Thunder of Time" - James F. David
"The Time Connection" - Thomas F. Monteleone
"The Time of the Great Freeze" - Robert Silverberg
"Time Storm" - Gordon R. Dickson
"The Time Swept City" - Thomas F. Monteleone
"Tomorrow!" - Philip Wylie
"The Trinity Paradox*" - Kevin J Anderson, Doug Beason
"Triumph" - Philip Wylie
"Twilight of the City" - Charles Platt
"Under the City of Angels" - Jerry Earl Brown
"The Vampire Earth Series" - E.E. Knight
"Vandenberg" - Oliver Lange
"Vault of the Ages" - Poul Anderson
"Vector" - Henry Sutton
"Voices of Hope" - David Feintuch
"Voyage from Yesteryear" - James P. Hogan
"Walden Two" - B.F. Skinner
"Wanderer" - Donald E. McQuinn
"War and Peace" - Stanley Schmidt ( editor )
"War Day" - Whitley Strieber, James Kunetka
"A War of Shadows" - Jack L. Chalker
"Warrior" - Donald E. McQueen
"Wastelands" - John Joseph Adams ( editor )
"Watch the Rhine" - John Ringo, Tom Kratman
"Waters of Death" - Irving A. Greenfield
"The Way the World Ends" - James Morrow
"When the Devil Dances" - John Ringo
"When Worlds Collide" - Edwin Balmer, Philip Wylie
"Where The Late Birds Sang" - Kate Wilhelm
"Wild Country" - Dean Ing
"The Wild Shore" - Kim Stanley Robinson
"The Wind From Nowhere" - J.G. Ballard
"Wintermind" - Marvin Kaye. Parke Godwin
"Winters Daughter" - Charles Whitmore
"Witch" - Donald E. McQuinn
"Wolf and Iron" - Gordon R. Dickson
"The Wounded Planet" - Roger Elwood, Virginia Kidd ( editors )
"Year of the Cloud" - Ted Thomas, Kate Wilhelm
"The Year of the Quiet Sun" - Wilson Tucker
"Yellow Eyes" - John Ringo, Tom Kratman
"8.4" - Peter Hernon
"40 Minute War" - Janet & Chris Morris
"1633 ( and sequels )" - Eric Flint
"43,000 Years Later" - Horace Coon
In my haste to type out authors names, I mixed and matched 
