top-selling
adjective [ before noun ]
COMMERCE (also top selling) ukusextremely popular and selling in larger quantities than other brands:
a top-selling brand/product/model
They manufacture three of the world's ten top-selling drugs.
She has her own TV show and two top-selling albums.
producing books, songs, etc. that are extremely popular and sell in larger quanitites than others:
She's one of our top-selling authors.