8 Abominable snowman (4)
9 Aggravation (10)
10 Moses' successor (6)
11 Alumnus (8)
12 Chocolate cookie (4)
13 Royal highnesses (10)
17 Found on most beaches (4)
18 Base 8 number system (5)
19 Garrison (4)
20 Interfering (10)
22 Area of central London (4)
23 Chests of drawers (8)
27 Son of Poseidon (Greek mythology) (6)
28 A moderately quick tempo (musical term) (10)
29 Requests (4)
Down
1 Bleed (10)
2 Retain (8)
3 Consider wrong (10)
4 Snob (4)
5 Sicilian volcano (4)
6 Plays a guitar (6)
7 An inflammation of the big toe (4)
14 Introduction (abbrev.) (5)
15 Compendium (10)
16 Ramparts (10)
19 A celebration (8)
21 Disperse (6)
24 Part portrayed (4)
25 Ireland (4)
26 Collections (4)