Hi suj53
8. Another word for pine, then another word for hill, followed by first letters of old will
79. Source of water. Look at clue 2, river in Suffolk.
83. Word for moved quickly backwards and first letters for following words. Genre of book. Naughty!
64. Another word for for play about, + in
67. Anagram of three words in clue, an inferior book
Hope this helps