
Artemis Fowl and the Time Paradox, known in America as Artemis Fowl: The Time Paradox, is the sixth book in the series Artemis Fowl by Irish writer Eoin Colfer. It was released in the U.S. on 5 July 2008, and on 7 August in the U.K. At 432 pages, it is the longest book in the series. In Colfer's video blogs, he mentioned the book, saying it may not be the last, but the last one for at least three years. It is followed by Artemis Fowl: The Atlantis Complex.

The Battle of the Labyrinth is an American fantasy-adventure novel based on Greek mythology written by Rick Riordan. It is the fourth novel in the Percy Jackson & the Olympians series. The novel was first published in the United States on May 6, 2008 by Hyperion Books for Children, an imprint of Disney Publishing Worldwide. It has been published in hardcover, audiobook, ebook, and large-print editions. To date, The Battle of the Labyrinth has been translated into 29 languages from its original English.

Beyond The Shadows is a fantasy novel written by Brent Weeks and is the third novel in The Night Angel Trilogy.

Blart III: The Boy Who Set Sail on a Questionable Quest is a 2008 children's novel by Dominic Barker. It is the sequel to Blart: The Boy Who Didn't Want to Save the World and Blart II: The Boy Who Was Wanted Dead or Alive - Or Both.

Breaking Dawn is the 2008 fourth and final novel in The Twilight Saga by American author Stephenie Meyer. Divided into three parts, the first and third sections are written from Bella Swan's perspective and the second is written from the perspective of Jacob Black. The novel directly follows the events of the previous novel, Eclipse, as Bella and Edward Cullen get married, leaving behind a heartbroken Jacob. When Bella faces unexpected and life-threatening situations, she willingly risks her human life and possible vampire immortality.

Brisingr is the third novel in the Inheritance Cycle by Christopher Paolini. It was released on September 20, 2008. Originally, Paolini intended to conclude the then Inheritance Trilogy in three books, but during writing the third book he decided that the series was too complex to conclude in one book, because the single book would be close to 1,500 pages long. A deluxe edition of Brisingr, which includes removed scenes and previously unseen art, was released on October 13, 2009.

The Crossing of Ingo is a children's fantasy novel by Helen Dunmore, first published in 2008. It is the fourth and final volume in the Ingo tetralogy.
Doomwyte is the 20th novel in the Redwall series by Brian Jacques. It was released on 2 October 2008 in the United Kingdom and on 16 October 2008 in the United States.

Dragonheart is a science fiction novel by Todd McCaffrey in the Dragonriders of Pern series that his mother Anne McCaffrey initiated in 1967. Published by Del Rey Books in 2008, it was the second for Todd as sole author and the twenty-second in the series. Written after his first book, Dragonsblood, it is a concurrent-time book as opposed to a prequel or sequel.

The Dragons of Babel is a 2008 science fantasy novel by American author Michael Swanwick, set in the same world as his earlier work The Iron Dragon's Daughter (1993). It follows the plight of a young man named Will Le Fey after a crippled dragon takes up residence in his town and inside his mind. Like The Iron Dragon's Daughter, the novel subverts fantasy tropes while it explores the extremely dark and gritty world of Faerie.

Escape from Hell! is a speculative fiction novella by Scottish writer Hal Duncan, strongly inspired by the movies Jacob's Ladder and Escape from New York but also by the works of William Blake and John Milton.
From Dead to Worse is the eighth book in Charlaine Harris's series The Southern Vampire Mysteries.

Frostbite is a vampire novel written by Richelle Mead. It is the second novel in the #1 New York Times bestselling series, Vampire Academy. Frostbite continues the story of the main character, Rose Hathaway including her bond with Princess Vasilisa "Lissa" Dragomir, her budding romance with her instructor Dimitri Belikov, and her education in becoming a Guardian.

The Graveyard Book is a young adult fantasy novel by the English author Neil Gaiman, simultaneously published in Britain and America in 2008. The Graveyard Book traces the story of the boy Nobody "Bod" Owens who is adopted and reared by the supernatural occupants of a graveyard after his family is brutally murdered.

House of Many Ways is a young adult fantasy novel written by Diana Wynne Jones. The story is set in the same world as Howl's Moving Castle and Castle in the Air.

Jhegaala is a fantasy novel by American writer Steven Brust, the eleventh book in his Vlad Taltos series, set in the fantasy world of Dragaera. It was published in 2008. Following the trend of the series, it is named after one of the Great Houses and usually features that House as an important element to its plot.
Lavinia is the Locus Award-winning last novel by American author Ursula K. Le Guin, published in 2008. It relates the life of Lavinia, a minor character in Virgil's epic poem the Aeneid.

A Lion Among Men is the third novel in Gregory Maguire's The Wicked Years and was released in the UK on October 2, 2008, October 8 in the US, and on October 14, 2008 in the rest of Europe.

The Long Look is a fantasy novel by Richard Parks, both his first novel and the first volume in his series The Laws of Power. It was first published in hardcover by Five Star in September 2008. It has appeared as an ebook in 2011 and a trade paperback in October 2018. The book placed twelfth in the 2009 Locus Poll Award for Best First Novel.

Odd and the Frost Giants (2008) is a World Book Day book by Neil Gaiman. It draws on Norse mythology and also the historical Vikings.

Oh. My. Gods. is a 2008 young adult fantasy novel by Tera Lynn Childs. The book follows the character of Phoebe, a young runner who discovers that the school she's attending is full of family and relatives of Greek gods and goddesses. Oh. My. Gods. was the winner of Romance Writers of America's 2009 RITA award for "Best First Book".

A Posse of Princesses is a novel by Sherwood Smith.

The Quest Begins is the first novel in the Seekers series. It was written by Erin Hunter, which is a collective pseudonym used by authors Cherith Baldry, Kate Cary, and Tui Sutherland and editor Victoria Holmes. The novel details the adventures of four bears, Toklo, Kallik, Lusa and Ujurak, who are stranded together in the wild and must learn to survive. The declining environment around the bears is a theme explored throughout the novel. The development of the Seekers series began as a result of a request from HarperCollins for another series about animals to the authors who wrote the Warriors series about feral cats under the name of Erin Hunter. The novel was published on 27 May 2008. The book sold well and had generally positive critical reception with reviewers suggesting the series would appeal to fans of Warriors.

Shadow Kiss is a vampire novel written by Richelle Mead. It is the third novel in the Vampire Academy series, and was preceded by Frostbite. The release of the book pushed the Vampire Academy series into the New York Times Best Seller list for the first time, making its debut at #4. Shadow Kiss continues the story of the main character, Rose Hathaway and her education in becoming a Guardian.

Stargazer is a 2008 children's fantasy novel, the fifth book in the Land of Elyon series by Patrick Carman. It takes place shortly after Into the Mist, in which Roland tells his story while they are sailing.

A Stranger to Command (2008) is a fantasy novel written by Sherwood Smith. It was written as a prequel to her first published work that takes place on the actual Sartorias-deles, Crown Duel.

The Summoning is a novel by Kelley Armstrong, and is the first book in the Darkest Powers series. It was released on July 1, 2008.

Superior Saturday is the sixth novel by Garth Nix in his The Keys to the Kingdom series. It follows the pattern set by the five previous novels. Superior Saturday, like many books of the Keys to the Kingdom series, was first released in Australia, being released in early June 2008. The expected release date was 1 July 2008 in the United Kingdom, and 1 August 2008 for the United States. However Barnes & Noble released it on Monday, 7 July.

Tender Morsels (2008) is a novel by Australian author Margo Lanagan. It won the Ditmar Award in 2009 for Best Novel and was joint winner of the 2009 World Fantasy Award for Best Novel.

Victory of Eagles is the fifth novel in the Temeraire alternate history/fantasy series by American author Naomi Novik. The series follows the actions of William Laurence and his dragon, Temeraire.

Wrath of a Mad God is a fantasy novel by American writer Raymond E. Feist. It is the third and final book in the Darkwar Saga and was published in 2008. It was preceded by Into a Dark Realm which was published in 2006. It was originally meant to be published on September 3, 2007.