The Cuckoo Clock by Mary Louisa Molesworth is a British children's fantasy novel published in 1877.
 The book was published under her pen name Ennis Graham but was then reprinted with her own name in 1882.
 Original illustrations were done by Walter Crane.
 A new edition of "The Cuckoo Clock" was published in 1914 with illustrations by Maria L. Kirk.
Watership Down is a fantasy adventure novel by English author Richard Adams, published by Rex Collings Ltd of London in 1972.
 Set in southern England, the story features a small group of rabbits.
 Although they live in their natural environment, they are anthropomorphised, possessing their own culture, language, proverbs, poetry, and mythology.
 Evoking epic themes, the novel follows the rabbits as they escape the destruction of their warren and seek a place to establish a new home, encountering perils and temptations along the way.
Murder in Tarsis is a fantasy novel by John Maddox Roberts, set in the world of the Forgotten Realms, and based on the "Dungeons & Dragons" role-playing game.
 It is the first novel published in the "Mysteries" series.
 It was published in hardcover in June 1996 (ISBN  or ISBN  , USA Version).
The Mislaid Charm is a fantasy novel by author Alexander M. Phillips.
 It was first published in book form in 1947 by Prime Press in an edition of 5,000 copies.
 The novel originally in the magazine "Unknown" in February 1941.
 It is the first novel published by Prime Press.
Tangled Webs is a fantasy novel by Elaine Cunningham, set in the world of the Forgotten Realms, and based on the "Dungeons & Dragons" role-playing game.
 It is the second novel published in the "Starlight & Shadows" series.
 It was published in hardcover in April 1996, ISBN  and in paperback in May 1998, ISBN  with a paperback re-issue in March 2003, ISBN  ).
Abyssal Warriors is a fantasy novel by J. Robert King, set in the world of Planescape, and based on the "Dungeons & Dragons" role-playing game.
 It is the second novel published in the "Blood Wars Trilogy".
 It was published in June 1996 (ISBN  ).
Shardik is a 1974 fantasy novel by Richard Adams.
Richard George Adams (9 May 1920 – 24 December 2016) was an English novelist who is best known as the author of "Watership Down", "Shardik" and "The Plague Dogs".
 He studied modern history at university before serving in the British Army during World War II.
 Afterwards, he completed his studies, and then joined the British Civil Service.
 In 1974, two years after "Watership Down" was published, Adams became a full-time author.
The Rise and Fall of a Dragon King is a fantasy novel by Lynn Abbey, set in the world of Dark Sun, and based on the "Dungeons & Dragons" role-playing game.
 It is the fifth and final novel published in the "Chronicles of Athas" series.
 It was published in April 1996 (ISBN  ).
Cormyr: A Novel is a fantasy novel by Ed Greenwood and Jeff Grubb, set in the world of the Forgotten Realms, and based on the "Dungeons & Dragons" role-playing game.
 It is the first novel published in "The Cormyr Saga".
 It was published in hardcover in July 1996 ISBN  , and in paperback in April 1998 ISBN  ).

Question: What is the name of this fantasy novel published by Rex Collins and authored by the same person who wrote Shardik?
Answer: Watership Down