First edition
The First Edition of Patch Testing was published in 1986. It contained test concentrations and vehicles for 2800 allergens. You can read Book Reviews here.
Second edition
The second Edition of Patch Testing was published in 1994 and now contained information for over 3700 chemicals. It was praised in many Book Reviews and was sold out in 2006.
Third edition
The Third Edition of Patch Testing was published in 2008 and now contained information for over 4350 chemicals. Book reviews can be found here.