This book in Telugu mainly consists of the Lalitha Sahasranamam and Vishnu Sahasranamam. It also includes several stotras like the Rama Raksha Stotra, Shiva, Nava Devis & Manidweepa Varnane.  

The book is an excellent source of reference and learning. Buy the Sri Lalitha and Sri Vishnu Sahasranama Stotram book from GiriUk