6  He has faith from the start of the week to its end (4)

10 One in shared accommodation: he scribbled “cat” with biro (9)

11 Supporter, unknown, follows conclusion of Coleridge poem (5)

12 Sort of belief I really have a go at, involving US city (8)

14 Douglas Adams, pissed off initially about California from the start... (2,4)

16 ...put out, it’s time to return... (4)

17 ...to his home: grimaced awkwardly about book (9)

19 It shows frequency of game development is painful, it’s said (9)

20 Brother of St. Cedd’s College – possessed! (4)

23 Neck a large number... um, five? Nine? (6)

24 Person with clever ideas in IOW town (not Newton) (8)

26 A French canal’s complete (5)

27 Open shower and do some exercise – too much (9)

29 Female at front of empty lot (4)

30 Restraint tampered with left by seat (6,4)

 1  He follows Apple, carrying in computer perhaps (7)

 2  A way to think about the quantum entanglement of ’tec with Richard’s song (12,3)

 3  Cheerful raucous pub: dine round the back (6)

 4  Mariner raised a snitch (3)

 5  Knife does start to irritate (4)

 7  What a detective wants – terrible puns, anecdotes? Ah! (4-3-4,4)

 8  Means of entry to cave attraction, when three leaders are absent (7)

 9  The French tend to accept reading English writer (2,5)

13 Maybe a single put down (6)

15 Bookseller who’ll deliver a book of maps in a day (6)

18 People with faith in article – one with saints (7)

19 Fife character’s computer, broken (7)

21 Dent, confused about Ark where files are shared (7)

22 Information starts to travel light-years with little force (6)

25 Chesterfield, as yet, has no river (4)

28 Part of the anatomy of the Yeti (3)