Are Peter Carey and Tad Williams both considered novelists?
yes
Title: Shadowmarch
Passage: Shadowmarch is the first novel in the Shadowmarch tetralogy, by Tad Williams.  It was released in hardcover on November 2, 2004, and in trade paperback on November 1, 2005.  A paperback edition was released in September, 2006.  The second book in the series, Shadowplay was published on March 6, 2007 in hardcover and on March 4, 2008 in paperback in both the USA and the UK.  The third book in the series, Shadowrise, was released in hardcover on March 2, 2010.  The last book in the series, Shadowheart, was published in hardcover on November 1, 2010.
Title: Tad Williams
Passage: Robert Paul "Tad" Williams (born 14 March 1957 in San Jose, California) is an American fantasy and science fiction writer.  He is the author of the multivolume "Memory, Sorrow, and Thorn" series, "Otherland" series, and "Shadowmarch" series as well as the standalone novels "Tailchaser's Song" and "The War of the Flowers".  Most recently, Williams published "The Bobby Dollar" series.  Cumulatively, over 17 million copies of Williams's works have been sold.
Title: Memory, Sorrow, and Thorn
Passage: Memory, Sorrow, and Thorn is an epic fantasy trilogy by American writer Tad Williams, comprising "The Dragonbone Chair" (1988), "Stone of Farewell" (1990), and "To Green Angel Tower" (1993).  The paperback publication of "To Green Angel Tower" was divided into two volumes.
Title: Peter Carey (novelist)
Passage: Peter Philip Carey AO (born 7 May 1943) is an Australian novelist.  Carey has won the Miles Franklin Award three times and is frequently named as Australia's next contender for the Nobel Prize in Literature.  Carey is one of only four writers to have won the Booker Prize twice—the others being J. G. Farrell, J. M. Coetzee and Hilary Mantel.  Carey won his first Booker Prize in 1988 for "Oscar and Lucinda", and won for the second time in 2001 with "True History of the Kelly Gang".  In May 2008 he was nominated for the Best of the Booker Prize.
Title: Tailchaser's Song
Passage: Tailchaser's Song is a fantasy novel by American writer Tad Williams.  It is about a personified cat named Fritti Tailchaser, set in a world of other anthropomorphic animals who live in their natural environments but each have their own language, mythology, and culture.  It is the first book that Tad Williams wrote and published, and is being adapted into an animated film due to be released in 2018.
Title: Otherland
Passage: Otherland is a science fiction tetralogy written by Tad Williams and published between 1996 and 2001.  The story is set on Earth near the end of the 21st century, probably between 2082 and 2089, in a world where technology has advanced somewhat beyond the present.  The most notable advancement is the widespread availability of full-immersion virtual reality installations, which allow people from all walks of life to access an online world, called simply the Net.  Tad Williams weaves an intricate plot spanning four thick volumes, and creates a picture of a future society where virtual worlds are fully integrated into everyday life.
Title: Rite: Short Work
Passage: Rite: Short Work (2007) is a short story collection, published in limited edition, by fantasy writer Tad Williams.
Title: The Dragonbone Chair
Passage: The Dragonbone Chair is a fantasy novel by American writer Tad Williams, the first in his "Memory, Sorrow, and Thorn" trilogy.  The saga follows a young man named Simon as he is caught up in an epic adventure.
Title: Shadowplay (Williams novel)
Passage: Shadowplay is the second book in the Shadowmarch tetralogy, by Tad Williams.  It was released in hardcover in the US in March, 2007 and has been released with a region-specific hard cover (see illustration below) in the United Kingdom (March 1, 2007).  Book one, "Shadowmarch", was published in November 2004.  Book three of Shadowmarch, "Shadowrise" was released in March, 2010.  A fourth book, Shadowheart, completes the series.
Title: Colum McCann
Passage: Colum McCann (born 28 February 1965) is an Irish writer of literary fiction.  He was born in Dublin, Ireland and now lives in New York.  He is a Distinguished Professor of Creative Writing in the Master of Fine Arts program at Hunter College, New York with fellow novelists Peter Carey and Tea Obreht, and has visited many universities and colleges all over the world.
Tad Williams Peter Carey (novelist)