This book covers the basics of material management and goes into some quantitative detail as well. It is very well written and its lucid style is perfect for a beginner to get a grasp on the subject.
The author clearly and logically explains the concepts of production planning, master production schedule, MRP, Production and activity control, purchasing, inventory management, forcasting, demand planning and much more.
The book also has an abundance of examples and exercises for the student to work through. It makes a good read as a beginner's textbook - but it is probably not very useful as a practical guide for the experienced professional.