What is it about brides and bottles? Or: why didn't she publish under her own name?
Anthony Gilbert was actually the pen name of Lucy Beatrice Malleson, who was an English crime writer. Malleson also wrote fiction using the pen name Anne Meredith,.

Set of 2 mysteries by Anthony Gilbert. (Lucy Beatrice Malleson)

The Innocent Bottle. Bantam 851. 1950.  (I love this one!)

Murder Cheats the Bride. Bantam 138. 1948. Cover art by Casimer Norwaish using model Helen Tynan. His first cover for Bantam.