7  Tom Brown's first cooker (3)

 9  Search in Window's Explorer (5)

10 Top career managed for father (9)

11 1/7 + 1/24 = 241t? (5,4)

12 Starts computer in store (5)

13 Twin wearing crown returns for tribute (7)

15 Cut flower (4)

18 European captured by Kaiser Bill (4)

20 Posh bishop in Cork is odd (7)

23 Finally contracted to produce a book (5)

24 I had crept around bargain basement (4,5)

26 Full-scale moans heard after soul died (4-5)

27 Organic compound that is found around the heart (5)

28 Some humour may be boring (3)

29 Those who study cells? (11)

 1  Gold producer's not about to welcome joint position on board (8)

 2  Directions point to mumbo jumbo (8)

 3  Small assistant maid loses weight (5)

 4  Stay to drink Bordeaux? (7)

 5  I hallucinate after shot in the arm (3-4)

 6  Shackle knight's horse with tight rein (9)

 7  Principal working in opposition (4-2)

 8  Barbarian locks king in chest (6)

14 Makes ornate kinky suspenders without a hint of net-stockings (7,2)

16 French people describe English disorder as hereditary character (8)

17 Mules or runners! (8)

19 Embellish essential subedits on philosophy (7)

20 Rustled up a dessert (7)

21 Exposed up-coming article on shop-lifting! (6)

22 Hairy terrorists in escape (6)

25 Hold on to cold fish (5)