IT manual? (4,5)

I believe the answer is:

kama sutra

'it manual?' is the definition.
(book about sex or 'it')

This is all the clue.

(Other definitions for kama sutra that I've seen before include "Hindu exotic text" , "Ancient Sanskrit text on sexual love" , "Hindu sex manual" , "Sanskrit treatise on the art of love" , "the other illustrations" .)

I've seen this clue in The Independent.

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