YET: VERB - to be interested in + verb
This man is interested in readying books.
VERBS

interested in + verb + inginterested in + noun

If you have an "interest in" something, you want to learn or hear more about it.
UPDATED: NOV 2022
You are interest in "something".

  • I am interested in Medicine.

  • He is interested in studying Medicine.
"Something" is interesting.

  • Medicine is interesting.

  • Medicine is interesting to study.
EXAMPLES:  

interested in + verb + ing

  • He is interested in visiting Hong Kong sometime next year.

  • Bill and John are interested in working at Google.

  • Chang is very interested in going to the US to get his MBA.
EXAMPLES:   

something + verb + interesting

  • Computer Science is interesting.

  • The Professor's lecture on climate change was very interesting.

  • My Boss is an interesting person.

  • Some English learning sites are interesting; others are boring.  
GO TO:  GRAMMAR DIALOGUE (GD)
NOTE: VERBS THAT USE "VERB + VERB + ING"

I hate studying grammar.
  • avoid
  • can't bear
  • can't stand
  • consider
  • dislike
  • don't mind​
  • enjoy
  • finish
  • like
  • love
  • hate
  • mind