
The Summer That Never Was is the 13th novel by Canadian detective fiction writer Peter Robinson in the Inspector Banks series. It was published in 2003, and re-titled Close To Home in the US. It was nominated for the 2004 Anthony Award for 'Best Novel'.

Deafening is a 2003 novel written by Frances Itani.

Down and Out in the Magic Kingdom is a 2003 science fiction book, the first novel by Canadian author and digital-rights activist Cory Doctorow. Concurrent with its publication by Tor Books, Doctorow released the entire text of the novel under a Creative Commons noncommercial license on his website, allowing the whole text of the book to be freely read and distributed without needing any further permission from him or his publisher.

Hey Nostradamus! is a novel by Douglas Coupland centred on a fictional 1988 school shooting in suburban Vancouver, British Columbia and its aftermath. This is Coupland's most critically acclaimed novel. It was first published by Random House of Canada in 2003. The novel comprises four first-person narratives, each from the perspective of a character directly or indirectly affected by the shooting. The novel intertwines substantial themes, including adolescent love, sex, religion, prayer and grief.

The In-Between World of Vikram Lall is a novel by M. G. Vassanji, published in 2003 by Doubleday Canada. The novel won the Scotiabank Giller Prize that year and narrates a story of Vikram Lall in the colonial and post-colonial Kenya. The title for the novel also inspired the title for Elizabeth Nunez's novel Anna In-Between, published in 2009.

Into the Wild is a fantasy novel written by Erin Hunter. The novel was published by HarperCollins in Canada and the United States in January 2003, and in the United Kingdom in February 2003. It is the first novel in the Warriors series. The book has been published in paperback, and e-book formats in twenty different languages. The story is about a young domestic cat named Rusty who leaves his human owners to join a group of forest-dwelling feral cats called ThunderClan, adopting a new name: Firepaw. He is trained to defend and hunt for the Clan, becomes embroiled in a murder and betrayal within the Clan, and, at the end of the book, receives his warrior name, Fireheart, after a battle with another Clan. He must face the evil Tigerclaw. The novel is written from the perspective of Fireheart.

Oryx and Crake is a 2003 novel by Canadian author Margaret Atwood. She has described the novel as speculative fiction and adventure romance, rather than pure science fiction, because it does not deal with things "we can't yet do or begin to do", yet goes beyond the amount of realism she associates with the novel form. It focuses on a lone character called Snowman, who finds himself in a bleak situation with only creatures called Crakers to keep him company. The reader learns of his past, as a boy called Jimmy, and of genetic experimentation and pharmaceutical engineering that occurred under the purview of Jimmy's peer, Glenn "Crake".

The Salt Roads is a novel by Canadian-Jamaican writer Nalo Hopkinson, published in 2003. It has been categorized as historical fiction, speculative fiction, science fiction, and magical realism.

The Summer That Never Was is the 13th novel by Canadian detective fiction writer Peter Robinson in the Inspector Banks series. It was published in 2003, and re-titled Close To Home in the US. It was nominated for the 2004 Anthony Award for 'Best Novel'.

Twenty-Six is the debut novel by author Leo McKay, Jr., released in 2003. The book was a national bestseller in Canada and won the 2004 Dartmouth Book Award for Fiction.

The Way the Crow Flies is the second novel by the Canadian writer and author Ann-Marie MacDonald. It was first published by Knopf Canada in 2003. The story revolves around a fictionalized version of the death of Lynne Harper, and the subsequent murder trial of Steven Truscott. The novel is set in the early 1960s predominately at the Royal Canadian Air Force Station Centralia located in a small town near London, Ontario. In the story, the character Ricky Froelich, a Métis foster child, is the fictionalized version of Steven Truscott.