ACROSS
1 Novel that's winning (10) PERSUASION [DD]
6 So shut up (4) THUS*
9 Put out novel, Daisy's Fist (10) DISSATISFY*
10 Spoken of the country? Not once (4) ORAL
12 Book where one more duty laid out? (11) DEUTERONOMY*
15 Primarily, some uncanny carnal creatures undertaking bedroom incursions? (7) SUCCUBI Acrostic &lit
16 Twice king and I eat, on time for expedition (3-4) KON-TIKI {K}{I}{K}{I} over {ON}{T}
17 Commissions whereby queen's collecting money in S Africa (7) ERRANDS {ER{RAND}S}
19 Old desire with eagerness cut short (4-3) LONG-AGO {LONG}{AGO
20 Pope with explanatory note for piece of Apocrypha...? (5,6) URBAN LEGEND {URBAN}{LEGEND}
23 Headgear, uniform back-to-front in western state (4) UTAH {HAT}{U}<=
24 Set apart, gutted, they bypass study (2,3,5) AT THE READY {A
25 Some dilly-dallying reactionary peer (4) LADY [T<=]
26 Listen up: Everyman's in peril, sad, quivering (4,2,4) READ MY LIPS {MY} in {PERIL+SAD}*
DOWN
1 Puts cushions in frogs' homes (4) PADS [DD]
2 Groomsmen regularly downed wine (4) ROSE
3 Going to disturb nun during nap (2,3,7) UP AND RUNNING*
4 Ferociously, ambitiously, a boy strangely wanting encouragement (7) STIMULI {
5 Ill – almost ill – it's when there's less activity (3-4) OFF-PEAK {OFF}{PEAK
7 Drunk chairman's admitted love for noises in Dylan records (10) HARMONICAS {CHAIRMANS}* over {0}
8 Loins dimly aroused by position (5,3-2) SILLY MID-ON*
11 Unprincipled, odd, tiny and drawn out (4-3-5) DOWN-AND-DIRTY*
13 Since university, gets into reading? Typical (2,3,5) AS PER USUAL {AS}{PERUS{U}AL}
14 20 to go on here? (10) SCOREBOARD {SCORE}{BOARD} Semi&lit
18 Cover that woman to keep warmth in (7) SHEATHE {S{HEAT}HE}
19 Drained and percolated audibly (7) LEECHED (~leached)
21 Bit of tsarina's dress (4) SARI [T]
22 Reportedly 'breaks down stains' (4) DYES(~dies)
Reference List
King = K, Time = T, Queen = ER, Uniform = U, Love = 0, University = U