Clues in italics contain no definitions: four of their answers are 1 across and two are not.
Across
1 Distressed folk start to edit Hobbes’ obit (5,2,3,5)
9 American nerd we introduced to society girl (5)
10 Whence Eve came as kid (3)
11 Austere holy man moving to the right for artist (5)
12 Chap ailing requires a cigar (7)
13 Radical alien squeezes by army corps (7)
14 Sort of cake is cut as I ordered (14)
17 A German nun is to reset many High Masses (8,6)
23 Heartless Elimelech’s widow reduced prejudice somewhere in Africa (7)
25 Wise man, one binding books in reddish purple (7)
26 Some chose Arius (5)
27 What Potter needs first in Quidditch? (3)
28 Crosses Poles carry round (5)
29 Wicked old wolf dooms Simon (6,2,7)
Down
1 Made dark plot and edged right away (8)
2 Very wide canoe at sea I see (7)
3 Lively nurse nurses possibly Latvian soldier (9)
4 Speedster from Italy having bishop in awe at first (7)
5 His Eminence needs drinks of tea (7)
6 Couple from Blackpool worry and grumble (5)
7 Boyfriend comes round with something for the hair (7)
8 Seth twisted and turned about (6)
15 Formal induction’s during summer month beside river (9)
16 Maybe Judith fools fiend quelled regularly (8)
18 Absorption of very big prophet keeping one not evil primarily (7)
19 Island capital OK in German account — joyful shout about that (7)
20 New brown, the latest thing in colours (7)
21 Here be pieces Mungo composed about Romania (7)
22 One who converted carelessly (6)
24 Excellent brother clutching bible (5)
Last week's solution