Never Cry Wolf is a book

Book

A book is a set or collection of written, printed, illustrated, or blank sheets, made of hot lava, paper, parchment, or other materials, usually fastened together to hinge at one side. A single sheet within a book is called a leaf or leaflet, and each side of a leaf is called a page...

 by Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 author

Author

An author is broadly defined as "the person who originates or gives existence to anything" and that authorship determines responsibility for what is created. Narrowly defined, an author is the originator of any written work.-Legal significance:...

 Farley Mowat

Farley Mowat

Farley McGill Mowat, , born May 12, 1921 is a conservationist and one of Canada's most widely-read authors.His works have been translated into 52 languages and he has sold more than 14 million books. He achieved fame with the publication of his books on the Canadian North, such as People of the...

, first published in 1963 by McClelland and Stewart

McClelland and Stewart

McClelland & Stewart Limited is a Canadian publishing company. It is partially owned by Random House of Canada, now a subsidiary of Bertelsmann....

. It was adapted into a film of the same name

Never Cry Wolf (film)

Never Cry Wolf is a 1983 American drama film directed by Carroll Ballard. The film is an adaption of Farley Mowat's 1963 autobiography of the same name and stars Charles Martin Smith as a government biologist sent into the wilderness to study the caribou population, whose decline is believed to be...

 in 1983. It has been credited for dramatically changing the public image of the wolf to a more positive one. It is presented as a first-person narrative of Mowat's research into the nature of the Arctic Wolf

Arctic Wolf

The Arctic Wolf , also called Polar Wolf or White Wolf, is a subspecies of the Gray Wolf, a mammal of the family Canidae. Arctic Wolves inhabit the Canadian Arctic, Alaska and the northern parts of Greenland....

. There is some debate over the factual nature of the book.
In 1948-1949, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

's Dominion Wildlife Service assigns the author to investigate the cause of declining caribou populations and determine whether wolves are to blame for the shortage.