Nasir Razzaq's poetry book "ٹھہرا دریا بہتی یادیں" is a collection of Urdu poems that explore the theme of nature, love and loss. The poems are written in a simple and straightforward style, and they capture the emotions of love and loss in a very powerful way. The poems in this collection are sure to touch the hearts of readers who have experienced love and loss in their own lives.