Crossword Genius

A good book, for instance, can be dear

Ross

I believe the answer is:

read

I'm a little stuck... Click here to teach me more about this clue!

'a good book' is the definition.
'read' can be an answer for 'book' (I've seen this before). I'm not certain of the 'a good' bit.

'instance can be dear' is the wordplay.
'dear' anagrams to 'READ'.
But, I'm not clear how the anagram is indicated.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for read that I've seen before include "Comprehend written words" , "Study (subject at university)" , "Measure energy or fuel consumption" , "Interpret writing" , "examined" .)

I've seen this clue in the Evening Standard.
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