The Aim Of This Book Is To Present To The Students, Teachers And Practising Engineers, A Comprehensive Collection Of Various Material Property Data And Formulae In The Field Of Heat And Mass Transfer. The Material Is Organized In Such A Way That A Reader Who Has Gone Through The Engineering Curriculum Could Easily Use The Formulae And Data Presented In Heat Transfer Calculations. Hence, This Compilation Is Primarily Intended As An Adjunct To A Standard Text.The Data Book Devotes Considerable Space To The Property Values Of Materials Solids, Liquids And Gases That Are Commonly Used In Heat Transfer Situations. Property Values For Various Materials At Different Temperatures Are Given For The Use Of Designers.The Formulae For Conduction, Convection, Radiation, Boiling, Condensation, Freezing, Melting, Heat Exchangers And Mass Transfer Are Arranged In An Easily Usable Tabular Form With Symbols And Units Explained Alongside. The Limitations And Restrictions In The Use Of Empirical Relationships Are Also Mentioned Alongside. The Empirical Formulae And Charts Have Been Selected.Suggestions Received Since The Appearance Of The Fifth Edition Have Been Incorporated, As Far As Possible, In The New Edition. A Number Of Charts And Data Have Been Added To Enhance The Value Of The Book. The Presentation On Convection Has Been Enlarged, Taking Into Account The Recent Publications. This Book Is A Comprehensive Collection Of Heat Transfer Information In Si Units For Students And Practitioners.