Lovatts Holiday Crossword Collection Forum Giant Cryptic 106

1. Keep tabs on The Observer (7) m...r..
14a. Longed for private eye to take on Flanders (5) r....
17a. Sales of gold in cost explosion (8) ....i.ns
39a. Calcium, nitrogen and tin (3) c.n
9d. Thoughtful prisoners adjusted diet? About time! (11) c....sdate
10d. Confused, pedestrians ran off to Dodge (8) s....s..a

Finding this very tricky.