It’s in the world’s best interest to read Dekker’s book. The Field Guide is nothing short of a paradigm shift in thinking about ‘human error’, and in my domain of software and Internet engineering, it should be considered required reading. This Third Edition is much better than the Second, and the layout of the material is far more accessible.

John Allspaw, SVP, Infrastructure and Operations, Etsy

If you design equipment or operating procedures, if you investigate accidents or deal with safety, this is an essential book. Sidney Dekker, a leading world authority on ‘human error’ has enhanced his already exceptional “Field Guide” to be a concise, readable guide to both design of equipment and procedures ...

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