Competition giving away celebrity books and pleasure trip (4)

I believe the answer is:

tour

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'pleasure trip' is the definition.
(tour can mean a trip taken for fun)

I don't understand the rest of the clue.

(Other definitions for tour that I've seen before include "Go round" , "Extended journey" , "Pleasure trip going from place to place" , "Journey around" , "A sightseeing trip or journey" .)

I've seen this clue in The Telegraph.

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