Book of rules for card games (5)

I believe the answer is:

hoyle

(Other definitions for hoyle that I've seen before include "cosmologist" , "Sir Fred --, astronomer" , "Writer on games (according to -)" , "English writer on card games" , "English astronomer who rejected the 'Big Bang' theory of the origins of the universe, d. 2001" .)

I've seen this clue in the Sydney Morning Herald.

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