The Sanford Guide to Antimicrobial Therapy is a medical handbook that recommends the right amount of the right drug for treating ailments from bacterial pneumonia to infected wounds. Lives depend on it.

It is not the sort of book a doctor should puzzle over, wondering, "Is that a '1' or a '7' in the recommended dosage?" But that is exactly the possibility that has haunted the guide's publisher, Antimicrobial Therapy, for the past two years as it confronted a flood of counterfeits — many of which were poorly printed and hard to read — in Amazon's vast bookstore.

"This threatens

A dream turns into something else

"Amazon has done it again"

Rewarding Amazon's dominance