From reviews of the German edition:

"His book develops the ideal form of strategic procurement and demonstrates which additional returns can be achieved by way of a motivated and highly qualified procurement team. Detailed checklists help determine unused potential for returns. A whole chapter is devoted to e-procurement, buying via Internet-based database systems. The book reflects the consultancy skills of its author and leaves no important aspect of modern and sustainable procurement management uncommented." (Financial Times Deutschland, December 9, 2003)

"The experienced expert for procurement optimization shows how even SMEs can check the efficiency of their supplier relations as well as make use of hidden potential for savings. To this end, he presents practicable analysis instruments, checklists, guidelines for argumentation and pragmatic solution ideas." (Industrieanzeiger, December 16, 2003)

"Useful solutions for targeted detection and exploitation of wasted potential for returns." (Unternehmermagazin, Nov. 2003)

"How to gain the maximum from the area of procurement. Whoever takes buyers and procurement seriously can save a great deal of money." (Financial Times, December 30, 2003)

"Using examples Kerkhoff makes the reader aware of how to make use of inert potential profits." (Handelsblatt, March 17, 2004)