In 30 chapters, the text deals with commercially available chemicals used for patch testing. It is the first book to provide a short and concise explanation for physicians, patients, and employees as how to minimize allergic contact dermatitis when patch testing is completed. The second book of this mini-series, "Patch testing and Prick testing" covers the new standard of patch testing and prick testing procedures in an efficient and practical way. Thus, both of these well-structured books should not be missed by any physician in daily practise when treating patients with dermatological problems.