1. The Light of Other Days, Arthur C. Clarke,Stephen Baxter, Wormhole-based "time viewer" can observe people and events from any point throughout time and space.
2. 1632, Eric Flint, A West Virginia mining town is sent back to the Thirty Years' War in Germany.
3. The Chronoliths, Robert Charles Wilson, Monuments from the future appear in the early 21st century, precipitating a global political collapse.
4. Thief of Time, Terry Pratchett, Unfreezing and freezing of time using a small mechanism.
5. Bones of the Earth, Michael Swanwick, Paleontologists studying dinosaurs are trapped in the Mesozoic period, but also travel into the very distant future. The novel was nominated for the Nebula Award for Best Novel in 2002, and the Hugo Award, John W. Campbell Memorial Award for Best Science Fiction Novel, and Locus Awards in 2003.
6. Meridian, John Schettler, ForeWord Magazine Silver Medal Winner for Sci-fi Book of The Year, 2002. The first ever experiment in time travel sets off a "Time War" where opposing sides struggle to alter key events on the Meridians of Time. Five book series: Meridian,Nexus Point, Touchstone, Anvil of Fate, Golem 7.
7. Night Watch, Terry Pratchett, Character interacts with a younger version of himself.
8. Counting Up, Counting Down, Harry Turtledove, Time travel with the twin perspectives of a man who travels back in time for relationship stability.
9. Guardian, Joe Haldeman, Born in 1858, Rosa journeys from the Civil War South to the Northeast, marries a villainous husband, and flees with their 14-year-old boy Daniel for the Klondike Gold Rush, all before learning that the talking, shapeshifting raven she sometimes encounters is a Guardian. Raven allows her to journey through space and time, then restores her to her "present" in 1898, now an adjacent universe, with comic and romantic results.
10. Thief!, Malorie Blackman, A huge storm traps a girl who is accused of being a thief and takes her into the future.
11. Kaleidoscope Century, John Barnes, Takes place on Mars. A man has a virus that puts him to sleep every 15 years and he wakes 10 younger. He learns of a way to go back to the past.
12. Haruhi Suzumiya, Nagaru Tanigawa, Two characters, Mikuru Asahina and Fujiwara, are time travelers from the future, and many parts of the story line involve time traveling.
13. Axis of Time, John Birmingham, A naval task force from 2021 is accidentally sent back to just before the Battle of Midway.
14. The Spark of God (orig. title:L'Éclat de Dieu), Romain Sardou, Describes the First Crusade and the beginning of the Knights Templar in the future.
15. Pen Pal, Lou Antonelli, Loops in a man's life are told through a narrative that goes from future to present.
16. All You Need Is Kill, Hiroshi Sakurazaka, When the aliens invade, Keiji Kiriya is a new recruit sent to fight. He dies on the battlefield, only to be reawaken the day before he was killed, to fight and die again and again.
17. Warcraft: War of the Ancients Trilogy, Richard A. Knaak, A human, a dragon and an orc travel back in time to help save Azeroth from theBurning Legion.
18. Mammoth, John Varley, Multibillionaire clones a mammoth and sends it back in time.
19. Sojourn, Jana G. Oliver, A Time Rover from 2057 returns to 1888 London in search of a missing time tourist, only to be caught in the Jack the Ripper murders and the history-changing plots of a mysterious group of shape-shifters called Transitives.
20. The Plot to Save Socrates, Paul Levinson, Time travelers from 2042 try to prevent Socrates from consuming hemlock.
21. Artemis Fowl: The Lost Colony, Eoin Colfer, Fifth book in the Artemis Fowl series. Artemis must pair up with his old comrade Captain Holly Short to track down the missing demon, before the spell that holds a demon island, Hybras, in limbo dissolves completely and the lost demon colony returns violently to Earth. Artemis also ends up saving Holly by manipulating time.
22. Rant: An Oral Biography of Buster Casey, Chuck Palahniuk, Characters participate in "Party Crashing" which can, under certain conditions, cause time travel.
23. Meet The Robinsons, Steve Anderson, Principal character meets his future son and then travels to the future to meet his family.
24. The Accidental Time Machine, Joe Haldeman, A research assistant at the Massachusetts Institute of Technology accidentally creates a forward-traveling time machine. Each leap forward in time (to get out of trouble) lands him in deeper trouble.
25. The Lifehouse Trilogy, Spider Robinson, Three books (Mindkiller (1982), Time Pressure (1988), LifeHouse (1997)) chronicle the story of visitors from Earth's future visiting the past to essentially harvest souls.
26. Virtual Evil, Jana G. Oliver, A Time Rover from 2057 is sent to 1888 London to find Harter Defoe, the first time traveler who is slowly going insane.
27. Madman's Dance, Jana G. Oliver, Abandoned in a Victorian insane asylum, memories erased, a Time Rover from 2057 must find a way to thwart a plot from the future that will remake British history.
28.The Region of Unlikeness, Rivka Galchen, An engineering graduate student finds herself entangled with a man who may or may not be her own son traveled back in time.
29. The Little Book, Selden Edwards, The last heir of a Boston banking family wakes up in Vienna in the time leading up to the Second World War. He meets his father, grandfather, Sigmund Freud, Mark Twain, Gustav Mahler and others.
30. Artemis Fowl: The Time Paradox, Eoin Colfer, Sixth book in the Artemis Fowl series. After Angeline Fowl contracts spelltropy, Artemis travels back in time eight years to when he was ten years old to find a lemur that can help cure his mother. The plot twist in the end of the book creates a circular timeline that started the series.
31. Found, Margaret Peterson Haddix, Thirteen-year-olds Jonah and Chip find out that they are missing children from time and go on a journey, along with Jonah's sister Katherine, to uncover many secrets.
32. Sent, Margaret Peterson Haddix, Jonah, Katherine, Chip and Alex are sent back to 1483 to learn that Chip is actually King Edward V and Alex is his brother Richard, Duke of York.
33. Expiration Date, Duane Swierczynski, Hardboiled pulp tale of an ex-journalist who discovers pills in his grandfather's medicine cabinet that transport him back in time to the 1970s.
34. Sabotaged, Margaret Peterson Haddix, Jonah and Katherine go on yet another mission to return a missing kid named Andrea (really Virginia Dare) to her time in the Roanoke Colony.
35. Blackout and All Clear, Connie Willis, Time travelers from 2048 go to the London Blitz during World War II to observe and end up being part of it. Novel published in two parts.
36. How to Live Safely in a Science Fictional Universe, Charles Yu, In search of his father, a time machine mechanic adventures through time accompanied by TAMMY and his ontologically valid dog, Ed, all while documenting his travels in a manual for future travellers.
37. 11/22/63, Stephen King, A man travels through a time portal to 1958, intending to stop Lee Harvey Oswaldfrom shooting John F. Kennedy.
38. Fairy Tail, Hiro Mashima, Two time travellers, Lucy Heartfilia and Rogue Cheney, both use a device called the Eclipse Gate from the Book of Zeref to travel back in time for different purposes.
39. Amber House, Kelly Moore,Tucker Reed, Larkin Reed, A teen girl uses psychometry to alter events in the past, changing the present and future.
40. Tempest, Julie Cross, First book in the Tempest Trilogy, Jackson Meyer discovers he has the ability to time travel, but he soon finds things are more complicated than they seem. He has to figure out the answers to how his power works and who is after him before it is too late to save the ones he loves.
41. Vortex, Julie Cross, Second book in the Tempest Trilogy, Jackson Meyer tries to accept his role as an agent of Tempest and to adjust to the changes he has made to the timeline.
42. Timestorm, Julie Cross, In the final book of the Tempest Trilogy, the fight between Tempest and Eyewall comes to a startling conclusion. Can Jackson Meyer save those he loves, or will he end up destroying the world?
43. Neverwas, Kelly Moore,Tucker Reed, Larkin Reed, An unforeseen change in the past necessitates the use of psychic abilities to reset the present and future.
44. The Here and Now, Ann Brashares, A girl and her community immigrated to New York when she was twelve, not from a different country, but from a different time—a future where a mosquito-borne illness has mutated into a pandemic, killing millions and leaving the world in ruins