worm - shelf - end | What word relates to all three? | Remote Associates Test of Creativity

Find a fourth word that is related to all three of the following:

worm / shelf / end

Your Answer: book

Task Statistics

Difficulty level: Very Easy
17% of people solved it within 2 seconds
49% of people solved it within 7 seconds
53% of people solved it within 15 seconds
85% of people solved it within 30 seconds

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