"Backlist sales" refers to the continuous and ongoing sales of older books or products that have been published for a while, rather than sales of new or recently released items. Full definition
This is why the long tail backlist sales of a book are stuck under the royalty terms of the contract long after the book is no longer available in those bookstores we wanted access to. (jamigold.com)
Small publishers are dependent on backlist sales for their livelihood. (authoru.org)
I also teach how to revive backlist sales and create extra spinoff revenue! (startawildfire.com)