If you are unable to secure the R.K. Jain edition you want, do not panic. These are equally formidable substitutes available in PDF or print:

: Engineering Mechanics, Strength of Materials (SOM), Theory of Machines (TOM), and Machine Design. Manufacturing & Industrial

The book is structured for quick revision and high-frequency practice for objective papers. Comprehensive Coverage:

The book is organized into subject-wise sections to help students focus their practice: Thermal Engineering