Hi solvers, and I hope you had fun with this one. I'll try to do more 9x9s in future. Let me know how you got on in the comments below, your feedback's always welcome. In the meantime, here's the usual wash-up:
ACROSS.
1A. Double def.3A. "nothing" = ZIP + first letter of "special".7A. Containment of anag. QUEEN + "caught" = C, all in cook = FRY. Def as in "radio station".8A. Containment of "happy pill" = E in "dad" = FATHER.11A. "not straight" = BI + "zero" = O + "plot" = GRAPH + last letter of "unsatisfactory".12A. Hidden in "tensEASYoure".13A. Outer letters of "whisper" = WR + first letters of "endless noise" = EN.
DOWN.
1D. Reversal of "fed" = DEF + last in "deceit" = T.2D. Anag. KNEESLOTS.4D. Containment of "look" = PEEK, reversed in "more central" = INNER.5D. Homophobe of "gets bogged down" = STICKS.6D. "Victory" = V + removal of "carbon" = C from "lifestyle" = CULTURE.9D. Containment of "bishop" = B in "donuts" = OO + first letter of "emitting".10D. Homophone of "that guy" = HIM.