is a comblnatlon of a book and a disk for performing heat transfer calculations on a computer. The book is a manual covering different heat transfer situations in fourteen chapters, from steady state conduction to heat transfer errectiveness. The book is a tutorial on how to use the computer software and is of little use without the software. The software Is really the problem “solver.” An IBM-PC, -XT or Compatible computer is required. The disk-5 1/4 in-comes with the book. It would be more appropriate to write that the disk comes wlth the book that explains its use.