How to use this quiz: choose an answer before opening the explanation. Each answer is supported by two independent sources checked on 2026-08-27.
10 books and their origins questions
1 · Warm-up
Green Eggs and Ham was written after a challenge to use no more than how many different words?
- 50
- 100
- 150
- 250
Show the answer, explanation, and sources
Answer: 50. Green Eggs and Ham uses exactly 50 different words.
Publisher Bennett Cerf challenged Dr. Seuss to write an entertaining book using only 50 different words. The resulting text met that limit through deliberate repetition.
Sources: The Art of Dr. Seuss and Biography.com.
2 · Warm-up
In L. Frank Baum's original Wizard of Oz novel, what color are Dorothy's magic shoes?
- Gold
- Silver
- Emerald
- Ruby red
Show the answer, explanation, and sources
Answer: Silver. Baum's original shoes were silver.
Baum gave Dorothy silver shoes in the 1900 novel. MGM changed them to sparkling ruby for the 1939 film, where Technicolor made red especially vivid.
Sources: Smithsonian National Museum of American History and Associated Press.
3 · Core
During the 1816 writing challenge that produced Frankenstein, what kind of story did the participants agree to write?
- Travel diaries
- Love letters
- Ghost stories
- Political speeches
Show the answer, explanation, and sources
Answer: Ghost stories. Frankenstein originated in a ghost-story contest.
During the stormy summer of 1816, Lord Byron proposed that each member of the group write a ghost story. Mary Shelley developed Frankenstein from the story she conceived for the challenge.
Sources: British Library and The Morgan Library & Museum.
4 · Core
During which outing did Lewis Carroll first improvise Alice's adventures for children?
- A train delay
- A garden picnic
- A museum visit
- A boat trip
Show the answer, explanation, and sources
Answer: A boat trip. The story began on a rowing trip near Oxford.
Carroll told the story to Alice Liddell and her sisters while rowing near Oxford in 1862. Alice then asked him to write down the adventure.
Sources: The Morgan Library & Museum and British Library.
5 · Core
What working title did Jane Austen originally give Pride and Prejudice?
- First Impressions
- Sense and Vanity
- Netherfield Park
- An Accomplished Woman
Show the answer, explanation, and sources
Answer: First Impressions. Austen originally titled the manuscript First Impressions.
Austen drafted the novel as First Impressions, and her father offered it to a publisher who declined it. She revised the work over several years before it appeared under its final title.
Sources: University of Dayton and Penguin Random House.
6 · Core
Christopher Robin owned which objects that inspired Pooh, Tigger, Eeyore, Kanga, and Piglet?
- His nursery drawings
- His stuffed toys
- His father's puppets
- His school friends
Show the answer, explanation, and sources
Answer: His stuffed toys. Christopher Robin's stuffed animals inspired the characters.
A. A. Milne based the characters on his son's stuffed animals. The original toys survive in the collection of the New York Public Library.
Sources: The New York Public Library and Royal Ontario Museum.
7 · Core
The reference book that supplied the name “James Bond” covered which subject?
- European trains
- Antique firearms
- Caribbean birds
- Secret ciphers
Show the answer, explanation, and sources
Answer: Caribbean birds. The name came from ornithologist James Bond.
Fleming owned ornithologist James Bond's Birds of the West Indies and wanted a plain name for his agent. The original James Bond studied Caribbean birds.
Sources: Smithsonian Magazine and Library of Congress.
8 · Core
Besides writing The Little Prince, which major role did Antoine de Saint-Exupéry perform?
- He translated it
- He printed it
- He composed its music
- He illustrated it
Show the answer, explanation, and sources
Answer: He illustrated it. Saint-Exupéry also illustrated the book.
Saint-Exupéry wrote and illustrated The Little Prince, using his own watercolors throughout the manuscript. Its central characters and settings therefore share a single author and illustrator.
Sources: The Morgan Library & Museum and Library of Congress.
9 · Challenge
Why did the publisher ask Heller to change the title Catch-18?
- Another novel also used 18
- 18 matched a military unit
- 18 looked like a volume number
- 18 resembled a censorship code
Show the answer, explanation, and sources
Answer: Another novel also used 18. The forthcoming novel Mila 18 prompted the title change.
Leon Uris's Mila 18 was scheduled for publication at about the same time, so Heller's publisher wanted a different number. After considering alternatives, Heller and the publisher selected 22.
Sources: Fresh Air Archive and Vanity Fair.
10 · Challenge
Which creature starred in Eric Carle's first version of The Very Hungry Caterpillar?
- A beetle
- A worm
- A snail
- A tadpole
Show the answer, explanation, and sources
Answer: A worm. The prototype starred a character named Willi Worm.
Carle's punched-hole prototype was titled A Week with Willi Worm. Editor Ann Beneduce suggested a caterpillar, and Carle then added the butterfly ending.
Sources: Eric Carle and High Museum of Art.
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