Title: World of Wonder (anthology)
Content:  World of Wonder is an anthology of science fiction and fantasy stories edited by Fletcher Pratt, published in hardcover by Twayne in 1951. No subsequent editions were issued.
Title: Worlds of Wonder (collection)
Content:  Worlds of Wonder is a collection of three science fiction works by Olaf Stapledon: a short novel, a novella and a short story. It was published in 1949 by Fantasy Publishing Company, Inc. in an edition of 500 copies. All of the stories had originally been published in the United Kingdom.
Title: World of Wonder (magazine)
Content:  World of Wonder was a British educational magazine for children published by IPC's Fleetway Publications (formerly Amalgamated Press) from 1970 to 1975. It was launched under the editorship of Robert Bartholomew with a cover price of 1/6 on 28 March 1970, and it replaced the earlier title, Tell Me Why. It was printed and published in the Netherlands. The magazine was similar in content to Look and Learn, which the company had been publishing for eight years, and shared many of its best artists, including Angus McBride, C. L. Doughty, Dan Escott, Richard Hook, Roger Payne, Severino Baraldi and Wilf Hardy. Like its sister publications, 
Title: Wonder of the Worlds
Content:  Wonder of the Worlds By Sesh Heri (ISBN: 0-9727472-8-1) contains illustrations by the author.
Title: World of Wonder (anthology)
Content: "Foreword", Edith R. Mirrielees ; "The Nature of Imaginative Literature", Fletcher Pratt (essay) ; "He Walked Around the Horses", H. Beam Piper (''Astounding 1948) ; "Roads of Destiny", O. Henry (Roads of Destiny 1909) ; "The Red Queen’s Race", Isaac Asimov (Astounding 1949) ; "Child’s Play", William Tenn (Astounding 1947) ; "The Finest Story in the World", Rudyard Kipling (Contemporary Review 1891) ; "Etaoin Shrdlu", Fredric Brown (Unknown 1942) ; "Mistake Inside", James Blish (Startling Stories 1948) ; "Private—Keep Out!", Philip MacDonald (''F&SF 1949) ; "They", Robert A. Heinlein (Unknown 1941) ; Metamorphosis, Franz Kafka (1937) ; "Back There in the Grass", Gouverneur Morris (Collier's Weekly 1911) ; "The Mark of the Beast", Rudyard Kipling (The Pioneer 1890) ; "Museum Piece", Esther Carlson (Moon Over the Back Fence 1947) ; "The Blue Giraffe", L. Sprague de Camp (Astounding 1939) ; "That Only a Mother", Judith Merril (Astounding 1948) ; "Operation RSVP", H. Beam Piper (Amazing 1951) ; "Conquerors’ Isle", Nelson S. Bond (Blue Book 1946) ; "Giant Killer", A. Bertram Chandler (Astounding 1945) ; "The Million-Year Picnic", Ray Bradbury (Planet Stories 1946 ) 
Title: Wonder of the World (play)
Content:  Wonder of the World is a play by American playwright David Lindsay-Abaire. The play premiered at the Woolly Mammoth Theatre Company in 2000 and then ran Off-Broadway in 2001.
Title: Our Wonder World
Content:  Our Wonder World was a children's encyclopedia published from the 1910s to the mid 1960s, under a variety of names. The original series was published in 10 volumes by the Chicago-based G. L. Schuman and Company. The series did not have named editors until at least 1926, when Howard Bristol Grose was credited as editor. The series included an 11th supplementary volume in at least the 1921 and 1926 editions. This edition was topically arranged, rather than alphabetical, designed for browsing rather than direct reference. It also contained "fictional as well as factual information." In 1932 the set was thoroughly revised and expanded as the New Wonder World. Like its predecessor, New Wonder World was topically organized and the eleventh volume was a study guide. This set was published at "regular intervals" until 1943 and annually until 
Title: World of Wonder (magazine)
Content:  of Wonder was aimed at both boys and girls. It included history, science, geography and literature, serialised stories, as well as names and addresses of children wanting pen pals. The magazine sold all over the English-speaking world (other than the US), with readers in Australia, Ireland, Malaysia, South Africa, and New Zealand. The masthead of the magazine proclaimed "Every Monday," but the cover date of the first issue of the magazine was 28 March 1970 (a Saturday, in fact), and actually appeared on sale in shops on Monday, 23 March 1970. Issue number 2 came out on the following Good Friday, 27 March 1970. 
Title: Worlds of Wonder (game)
Content:  Worlds of Wonder is a multi-genre set of three role-playing games (RPGs) produced by Chaosium in 1982 that all used the Basic Role-Playing set of rules.
Title: World of Wonders (novel)
Content:  World of Wonders is the third novel in Robertson Davies's Deptford Trilogy. First published by Macmillan of Canada in 1975, this novel focuses on the life-story of the fictional conjuror Magnus Eisengrim.

Question: Who is the author of World of Wonder?
Answer: Fletcher Pratt.
Irvin Lester.
George U. Fletcher.
Murray Fletcher Pratt.