Hello twinsnan, sorry to hear of your problems but welcome back. Hope these clues help for starters.
18. Look at start of R in Chambers
21.Find a word for a heap of stones
26. Anagram of king, WH Hudsons girl (rima) and L for student
30. Kid = fox ........
39 Anagram of youth=lad and a well known capital city
40. Anagram of 6,7 and 9 words
51 Anagram of 1st letter of redstart and final letter of landing ,all wrapped up in may