Snake in the Grass is a 1954 mystery detective novel by Anthony Gilbert, the pen name of British writer Lucy Beatrice Malleson.

It is the twenty eighth in her long-running series featuring the unscrupulous solicitor and detective Arthur Crook.

[1] It was published in the United States under the alternative title Death Won't Wait.

A man is accosted on a London street by an attractive young woman who begs him for the loan of a pound, explaining that she is fleeing from her husband.

She promptly disappears, and her husband is found dead, Arthur Crook becomes involved in the case which plays out amidst the black marketeers and bombed-out buildings of the post-war capital.